How many millimeters are in a meter - How many mm in a cm? Centimeters to millimeters conversion factor of the metric length units’ centimeters (cm) to millimeters (mm) is 10. One centimeter is equivalent to 10 millimeters. ... Millimeter is abbreviated as “mm” and is a metric system length unit that equals one thousandth of a meter. It is widely used in measuring the small ...

 
Jan 15, 2022 · You perform an experiment in the lab and determine that there are 36.3 inches in a meter. Using this experimental value, how many millimeters are there in 1.34 feet? a. 4.43 × 10^2 mm b. 4.05 × 10^2 mm c. 44.3 mm d. …. Kylian mbappe real madrid

How to Convert Nanometer to Millimeter. 1 nm = 1.0E-6 mm 1 mm = 1000000 nm. Example: convert 15 nm to mm: 15 nm = 15 × 1.0E-6 mm = 1.5E-5 mm. Popular Length Unit ConversionsHow Many Millimeter in a Inch? There are 25.4 millimeter in a inch. 1 Inch is equal to 25.4 Millimeter. 1 in = 25.4 mm 1 Foot (ft) is equal to 304.8 millimeters (mm). To convert feet to mm, multiply the feet value by 304.8. For example, to convert 2 feet to mm, you can use the following formula: mm = ft * 304.8. Simply multiply 2 by 304.8: mm = 2 * 304.8 = 609.6 mm. Therefore, 2 feet equal to 609.6 mm. Using the simple formula below, you can easily convert feet ...Since 1960 the term has usually referred to the international foot, defined as being one third of a yard, making it 0.3048 meters exactly. It is subdivided into 12 inches. This tool converts feet to millimeters (ft to mm) and vice versa. 1 foot = 304.8 millimeters. The user must fill one of the two fields and the conversion will become ...Millimeter. Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second. History/origin: The milli- prefix is one of many metric prefixes. It indicates one thousandth of the base ... How to Convert Meter to Millimeter. 1 m = 1000 mm 1 mm = 0.001 m. Example: convert 15 m to mm: 15 m = 15 × 1000 mm = 15000 mm. Popular Length Unit Conversions 1 Meter (m) is equal to 1000 millimeters (mm). To convert meters to mm, multiply the meter value by 1000. For example, to convert 3 meters to mm, you can use the following formula: mm = m * 1000. Simply multiply 3 by 1000: mm = 3 * 1000 = 3000 mm. Therefore, 3 meters equal to 3000 mm. Using the simple formula below, you can easily convert ...A centimetre (symbol cm) or centimeter (American spelling) is a unit of length, equal to one hundredth of a metre. This tool converts centimeters to millimeters (cm to mm) and vice versa. 1 centimeter = 10 millimeters. The user must fill one of the two fields and the conversion will become automatically. 1 centimeters = 10 millimeters Formula ...This tool converts kilometers to millimeters (km to mm) and vice versa. 1 kilometer = 1000000 millimeters. The user must fill one of the two fields and the conversion will become automatically. 1 kilometers = 1000000 millimeters Formula kilometers in millimeters (km in mm). Millimeter = km*1000000.Feb 18, 2024 · The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. In the metric system, "milli" is the prefix for thousandths, or 10-3. Millimeters can be abbreviated as mm; for example, 1 millimeter can be written as 1 mm. Millimeters are often represented by the smallest ticks on most metric rulers. To get a ...Dec 29, 2023 · Millimeters : The millimeter (SI symbol mm) is a unit of length in the metric system, equal to 1/1000 meter (or 1E-3 meter), which is also an engineering standard unit. 1 inch=25.4 mm. Meters : The meter (symbol m) is the fundamental unit of length in the International System of Units (SI). It is defined as "the length of the path travelled by light …Meter. Definition: A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to reflect changes in the definition of the second.The prefix ‘centi’ indicates that the centimeter is 1/100 of a meter, whereas ‘milli’ means 1/1,000 of – therefore there are 1,000 millimeters in a meter. Putting all of this together, we see that a millimeter is equal to 0.1 cm, or simply – there are 10 mm in 1 cm. Difference between Centimeters and MillimetersHow to Convert Millimeter to Micrometer. 1 mm = 1000 µm. 1 µm = 0.001 mm. Example: convert 15 mm to µm: 15 mm = 15 × 1000 µm = 15000 µm.The following table shows conversions of length to metric / inches. How to Convert Inch to Millimeter: Dimensions — Inches to Metric ...All In One Units Converter. Physics. ⇆. 0.96 meter = 960 millimeters. Formula: multiply the value in meters by the conversion factor '1000'. So, 0.96 meter = 0.96 × 1000 = 960 millimeters.Jan 19, 2024 · Millimeters. The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). One meter was defined in 1983 by the 17th conference of weights and measures as “the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second” and the millimetre by …In 2019, the meter has been re-defined based on the changes made to the definition of a second. Kilometer. Definition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer is equivalent to 0.6214 miles. History/origin: The prefix kilo- is a metric prefix indicating one thousand.Learn how many millimeters are in a centimeter and how to convert mm to cm. Calculation examples and table with commonly encountered conversion ... the base SI unit – the meter. The prefix ‘milli’ means 1/1,000 of, and ‘centi’ – 1/100 of. Therefore, a meter is equal to 1,000 millimeters, or 100 centimeters. So, if 1,000 mm ...When you need to get an electric meter reading, either for your own records or to report your usage to the electric company, begin by looking at your meter to determine if you have...How to Convert Decimeter to Millimeter. 1 dm = 100 mm. 1 mm = 0.01 dm. Example: convert 15 dm to mm: 15 dm = 15 × 100 mm = 1500 mm.A meter is approximately 39.37 inches long, the equivalent of 3.28 feet or 1.09 yards. It is also equal to 10 decimeters, 100 centimeters and 1,000 millimeters. The inch, foot and ...Centimeter. Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. History/origin: A centimeter is based on the SI unit meter, and as the prefix "centi" indicates, is equal to one hundredth of a meter. Metric prefixes range from factors of 10-18 to 10 18 …How to Convert Micron to Millimeter. 1 µ = 0.001 mm 1 mm = 1000 µ. Example: convert 15 µ to mm: 15 µ = 15 × 0.001 mm = 0.015 mm. Popular Length Unit ConversionsThere are 10 millimeters in 1 centimeter, or 1,000 millimeters in 1 meter. Millimeters can also be converted to imperial units of measure. There are 25.4 millimeters in 1 inch, while 1 millimeter ...Convert millimeters to meters and backwards with this online calculator. Enter millimeters or meters for conversion and select the conversion type. See the conversion table for …Converting larger units to smaller units. 1 centimeter = 10 millimeters. 1 meter = 100 centimeters. 1 meter = 1, 000 millimeters. 1 kilometer = 1, 000 meters. To convert larger units to smaller units we multiply the number of larger units by the green conversion factor for the appropriate smaller units.Meters. The metre is a unit of length in the metric system, and is the base unit of length in the International System of Units (SI). As the base unit of length in the SI and other m.k.s. systems (based around metres, kilograms and seconds) the metre is used to help derive other units of measurement such as the newton, for force.How Many Meter in a Millimeter? There are 0.001 meter in a millimeter. 1 Millimeter is equal to 0.001 Meter. 1 mm = 0.001 m How Many Millimeter in a Meter? There are 1000 millimeter in a meter. 1 Meter is equal to 1000 Millimeter. 1 m = 1000 mm Did you know that there’s an easy way to measure amps? It’s true! Gone are the days of analog and digital multimeters, instruments that come Expert Advice On Improving Your Home ...1 millimeter (mm) = 1/1000 meter = 0.001 meter (m) Again, "milli (m)" is one of the official unit prefixes in the International System (SI) of Units and means one-thousandth (1/1000 = 1/10 3 = 10 -3) - one millimeter is one-thousandth of a meter. Thus, in order to convert the length given in millimeters into the length given in meters and vice ...When you need to get an electric meter reading, either for your own records or to report your usage to the electric company, begin by looking at your meter to determine if you have...2 m = 2000 mm · 3 m to mm. Go here for the next measurement of meters (m) on our list that we have converted to ...1 centimeter = 10 millimeters. 1 meter = 100 centimeters. 1 meter = 1, 000 millimeters. 1 kilometer = 1, 000 meters. To convert larger units to smaller units we multiply the …How to Convert Micrometer to Meter. 1 µm = 1.0E-6 m 1 m = 1000000 µm. Example: convert 15 µm to m: 15 µm = 15 × 1.0E-6 m = 1.5E-5 m. Popular Length Unit ConversionsThere is no comparison as they are different forms of measurement. A millimeter is a unit of length equivalent to 1/1,000th of a meter, whereas a liter is a measurement of volume e...Convert Megameter to Meter (Mm to m) · 1 Megameter (Mm) is equal to 1000000 meters (m) · 1 meter (m) is equal to 1e-6 megameter (Mm) ...Feb 18, 2024 · The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. In the metric system, "milli" is the prefix for thousandths, or 10-3. Millimeters can be abbreviated as mm; for example, 1 millimeter can be written as 1 mm. Millimeters are often represented by the smallest ticks on most metric rulers. To get a ...Millimeters. The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). One meter was defined in 1983 by the 17th conference of weights and measures as “the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second” and the millimetre by definition is derived as being 1/1000th of ... Place the mouthpiece in your mouth, between your teeth. Close your lips around it. Do not put your tongue inside the hole or block the vents in the back. Place the mouthpiece in yo...There is no comparison as they are different forms of measurement. A millimeter is a unit of length equivalent to 1/1,000th of a meter, whereas a liter is a measurement of volume e...A meter is approximately 39.37 inches long, the equivalent of 3.28 feet or 1.09 yards. It is also equal to 10 decimeters, 100 centimeters and 1,000 millimeters. The inch, foot and ...Did you know that there’s an easy way to measure amps? It’s true! Gone are the days of analog and digital multimeters, instruments that come Expert Advice On Improving Your Home ...Convert 1 Milliliters to Meters (ml to m) with our conversion calculator and conversion tables. To convert 1 ml to m use direct conversion formula below. 1 ml = 1.0E-6 m. You also can convert 1 Milliliters to other Space (popular) units.A meter, or metre, is the fundamental unit of length in the metric system, from which all other length units are based. It is equal to 100 centimeters, 1/1000th of a kilometer, or about 39.37 inches. It is equal to 100 centimeters, 1/1000th of a kilometer, or about 39.37 inches.1 millimeter (mm) = 1/1000 meter = 0.001 meter (m) Again, "milli (m)" is one of the official unit prefixes in the International System (SI) of Units and means one-thousandth (1/1000 = 1/10 3 = 10 -3) - one millimeter is one-thousandth of a meter. Thus, in order to convert the length given in millimeters into the length given in meters and vice ...12 centimeters. Which is larger, 1200 Millimeters or 1 Meter? 1200 millimeters. How many Millimeters go into 1 Centimeter? 10 Millimeters go into 1 Centimeter. Study with Quizlet and memorize flashcards containing terms like How many Meters are in one Kilometer?, How many Centimeters are in 1 Meter?, How many Millimeters are in 1 Meter? and more.Blow out as hard and fast as you can. You want to move the marker as far as you can with your breath, so concentrate on exhaling forcefully and quickly. Blow out as hard and fast a...How Many Millimeter in a Inch? There are 25.4 millimeter in a inch. 1 Inch is equal to 25.4 Millimeter. 1 in = 25.4 mm How to Convert Decimeter to Millimeter. 1 dm = 100 mm. 1 mm = 0.01 dm. Example: convert 15 dm to mm: 15 dm = 15 × 100 mm = 1500 mm.1 Millimeter (mm) is equal to 0.001 meter (m). To convert mm to meters, multiply the mm value by 0.001 or divide by 1000. For example, to convert 100 mm to meters, you can …How to Convert Megameter to Meter. 1 Mm = 1000000 m 1 m = 1.0E-6 Mm. Example: convert 15 Mm to m: 15 Mm = 15 × 1000000 m = 15000000 m. Popular Length Unit Conversions. cm to inches. inches to cm. mm to inches. inches to mm. meters to feet. feet to meters. km to miles. miles to km. cm to feet. feet to cm. inches to feet. feet to inches.So, there are 6 meters in 6,000 millimeters. answered by Step-by-Step Bot; 4 months ago; 0; 0; To find out how many meters are in 6,000 millimeters, you need to convert millimeters to meters. Since there are 1,000 millimeters in one meter, you can divide the number of millimeters by 1,000 to get the equivalent in meters.Convert 6 meters to millimeters: Using the previous formula ( meters × 1000 ), the distance in millimeters equals 6 meters × 1000 = 6000 mm. 6 m = 6000 mm. How many millimeters are in 5.5 meter? Multiply 5.5 meters by 1000 to get millimeters: 5.5 meters × 1000 = 5500mm. What is 18 meter in millimeter?Since one meter is equal to 1,000 millimeters, you can use this simple formula to convert: millimeters = meters × 1,000. The length in millimeters is equal to the length in meters multiplied by 1,000. For example, here's how to convert 5 meters to millimeters using the formula above. millimeters = (5 m × 1,000) = 5,000 mm. How to Convert Micrometer to Meter. 1 µm = 1.0E-6 m 1 m = 1000000 µm. Example: convert 15 µm to m: 15 µm = 15 × 1.0E-6 m = 1.5E-5 m. Popular Length Unit Conversions How many millimeters in a meter: If l m = 1 then l mm = 1 000 mm. How many millimeters in 72 meters: If l m = 72 then l mm = 72 000 mm. Note: Meter is a metric unit of length. Millimeter is a metric unit of length. From: to 10.9 by: with precision: « ‹› » ∇ O? Length m mm m>mm. meter milli-meter meter milli-meter meter milli- ...Formula: divide the value in millimeters by 1000 because 1 meter equals 1000 millimeters. ... How many mm are in 0.001 meters? 0.001 mm is equal to how many ...Definition: The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). One meter was defined in 1983 by the 17th conference of weights and measures as “the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second” and the millimetre by definition is derived as being 1/1000th of ... Convert 1 Milliliters to Meters (ml to m) with our conversion calculator and conversion tables. To convert 1 ml to m use direct conversion formula below. 1 ml = 1.0E-6 m. You also can convert 1 Milliliters to other Space (popular) units.Aug 11, 2023 · How many millimeters in meters? 1 meter = 1000 millimeters 1 millimeter = 0.001 meter. How many malimeters are in 1 meter? 1 meter = 1000 millimeter. Trending Questions . The standard unit of length in the metric system? A soft lump in center of torso? What need for food is based on the body's need for nutrients?How many Millimeters in a Meter? Two of the most used metric system units are meters ( m) and millimeters ( mm ). They both measure length, but differ in magnitude. According …Learn how many millimeters are in a centimeter and how to convert mm to cm. Calculation examples and table with commonly encountered conversion ... the base SI unit – the meter. The prefix ‘milli’ means 1/1,000 of, and ‘centi’ – 1/100 of. Therefore, a meter is equal to 1,000 millimeters, or 100 centimeters. So, if 1,000 mm ...Meter. Definition: A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to reflect changes in the definition of the second.1 Earth's volume = 1.083E+21 cubic meter [m^3] Earth's volume to cubic meter, cubic meter to Earth's volume. Free online volume converter - converts between 77 units of volume, including cubic meter [m^3], cubic kilometer [km^3], cubic centimeter [cm^3], cubic millimeter [mm^3], etc. Also, explore many other unit converters or learn more about ...How many millimeters in 1 meter? The answer is 1000. We assume you are converting between millimetre and metre. You can view more details on each measurement unit: millimeters or meter The SI base unit for length is the metre. 1 metre is equal to 1000 millimeters, or 1 meter. Note that rounding errors may occur, so always check the results.A meter is equal to 100 centimeters. 1 meter = 100 centimeters. The length of this guitar is about 1 meter. Meters can be used to measure the length of a house, or the size of a playground. And because a centimeter is 10 millimeters: 1 meter = 1000 millimeters. The back of this kitchen chair is 1 meter . A kilometer is equal to 1000 meters. In February sentiment was super bearish, then we got the March rallies, and now ... well, this time is a bit different. Let's check the indicators....XLE In late February, sent...Millimeter. Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second. History/origin: The milli- prefix is one of many metric prefixes. It indicates one thousandth of the base ... In 2019, the meter has been re-defined based on the changes made to the definition of a second. Inch. Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard.How to Convert Micron to Millimeter. 1 µ = 0.001 mm 1 mm = 1000 µ. Example: convert 15 µ to mm: 15 µ = 15 × 0.001 mm = 0.015 mm. Popular Length Unit ConversionsAll In One Units Converter. Physics. ⇆. 0.96 meter = 960 millimeters. Formula: multiply the value in meters by the conversion factor '1000'. So, 0.96 meter = 0.96 × 1000 = 960 millimeters.Since one meter is equal to 1,000 millimeters, you can use this simple formula to convert: millimeters = meters × 1,000. The length in millimeters is equal to the length in meters …Vortex intercepts high-grade silver with goldNew target discovered east of BrimstoneCentral and Camel zones convert waste to mineralizationWINNEMU... Vortex intercepts high-grade s...So, there are 6 meters in 6,000 millimeters. answered by Step-by-Step Bot; 4 months ago; 0; 0; To find out how many meters are in 6,000 millimeters, you need to convert millimeters to meters. Since there are 1,000 millimeters in one meter, you can divide the number of millimeters by 1,000 to get the equivalent in meters.If 3 centimeters is equal to 30 millimeters, how many centimeters are in 140 millimeters? Convert the following to SI units of millimeters and meters: 27 1/2 in How many centimeters are in a meter? How many millimeters in a meter: If l m = 1 then l mm = 1 000 mm. How many millimeters in 72 meters: If l m = 72 then l mm = 72 000 mm. Note: Meter is a metric unit of length. Millimeter is a metric unit of length. From: to 10.9 by: with precision: « ‹› » ∇ O? Length m mm m>mm. meter milli-meter meter milli-meter meter milli- ...

How to convert picometers to millimeters [pm to mm]: l mm = 1.0 × 10-9 × l pm. How many millimeters in a picometer: If l pm = 1 then l mm = 1.0 × 10-9 × 1 = 1.0 × 10-9 mm. How many millimeters in 86 picometers: If l pm = 86 then l mm = 1.0 × 10-9 × 86 = 8.6 × 10-8 mm. Note: Picometer is a metric unit of length. Millimeter is a metric .... Eric trump twitter

how many millimeters are in a meter

The gun heats up the water molecules under your skin. Ouch. China has apparently invented a new form of futuristic non-lethal weapon—which is pretty handy if some of its biggest ci...A simple mnemonic to assist with conversion is "three 3s": 1 metre is nearly equivalent to 3 feet 3+3⁄8 inches. This gives an overestimate of 0.125 mm. The ...1 millimeter (mm) = 1/1000 meter = 0.001 meter (m) Again, "milli (m)" is one of the official unit prefixes in the International System (SI) of Units and means one-thousandth (1/1000 = 1/10 3 = 10 -3) - one millimeter is one-thousandth of a meter. Thus, in order to convert the length given in millimeters into the length given in meters and vice ...One thousand millimeters is equal to 1 meter. The meter is the standard unit of length in the International System of Units, also known as the metric system. “Metre” is the standar...There are 10 millimeters in 1 centimeter, or 1,000 millimeters in 1 meter. Millimeters can also be converted to imperial units of measure. There are 25.4 millimeters in 1 inch, while 1 millimeter ...How to Convert Meter to Inch. 1 m = 39.3700787402 in 1 in = 0.0254 m. Example: convert 15 m to in: 15 m = 15 × 39.3700787402 in = 590.5511811024 in. Popular Length Unit Conversions 4.06 meters = 1.27 bamboos. 4.06 meters = 478 barleycorns. By coolconversion.com. To calculate a meter value to the corresponding value in millimeter, just multiply the quantity in meter by 1000 (the conversion factor). Here is the formula: Value in millimeters = value in meter × 1000. Suppose you want to convert 4.06 meter into millimeters.To convert a measurement in millimeters to a measurement in meters, divide the length by the following conversion ratio: 1,000 millimeters/meter. Since one meter is equal to 1,000 millimeters, you can use this simple formula to convert: meters = millimeters ÷ 1,000. The length in meters is equal to the length in millimeters divided by 1,000. Millimeters are subunits that make up the meter. In the metric row on the tape measure, millimeters are the smallest markings and are not labeled. 10 millimeters make up 1 centimeter⁠—this means you will see 9 millimeter lines between each centimeter number on the tape measure, since the 10th millimeter line is the next centimeter …There are 10 millimeters in 1 centimeter, or 1,000 millimeters in 1 meter. Millimeters can also be converted to imperial units of measure. There are 25.4 millimeters in 1 inch, while 1 millimeter ...Liter. Definition: A liter (symbol: L) is a unit of volume that is accepted for use with the International System of Units (SI) but is technically not an SI unit. One liter is equal to 1 cubic decimeter (dm 3), 1,000 cubic centimeters (cm 3), or 1/1,000 cubic meters (m 3).. History/origin: There was a point from 1901 to 1964 when a liter was defined as the …1 millimeter (mm) = 1/1000 meter = 0.001 meter (m) Again, "milli (m)" is one of the official unit prefixes in the International System (SI) of Units and means one-thousandth (1/1000 = 1/10 3 = 10 -3) - one millimeter is one-thousandth of a meter. Thus, in order to convert the length given in millimeters into the length given in meters and vice ... The gun heats up the water molecules under your skin. Ouch. China has apparently invented a new form of futuristic non-lethal weapon—which is pretty handy if some of its biggest ci...How many mm in 1 meter? The answer is 1000. We assume you are converting between millimetre and metre. You can view more details on each measurement unit: mm or meter The SI base unit for length is the metre. 1 metre is equal to 1000 mm, or 1 meter. Note that rounding errors may occur, so always check the results. How many millimeters are in 100 meters? (1 point) Responses 0.1 millimeter 0.1 millimeter 1 millimeter 1 millimeter 10,000. Top answer: 100,000 millimeters Read more. Convert 1.25 x 10^-8 meters wide by 2.5 x 10^-6 meters long into millimeters. 1 meter = 1000 millimeters. Top answer: To convert meters to millimeters, multiply the measurement in ... Indices Commodities Currencies StocksHow do I convert mm to m? Converting mm to m is quite straightforward: 1 millimeter = 0.001 meters. 1 meter = 1000 millimeter. Therefore: To convert millimeters to meters, divide your length value in millimeters by 1000. m = mm / 1000. To convert meters to millimeters, multiply your length value in meters by 1000. mm = m × 1000.Convert 1 Milliliters to Meters (ml to m) with our conversion calculator and conversion tables. To convert 1 ml to m use direct conversion formula below. 1 ml = 1.0E-6 m. You also can convert 1 Milliliters to other Space (popular) units.How to Convert Decimeter to Millimeter. 1 dm = 100 mm. 1 mm = 0.01 dm. Example: convert 15 dm to mm: 15 dm = 15 × 100 mm = 1500 mm.Meter. Definition: A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to reflect changes in the definition of the second..

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