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Sometimes you need a very large, or a very small, amount of a certain unit. One way to deal with that is to use prefixes like kilo, mega, milli, micro, and others.

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Q: Explain why prefixes are useful with SI units?
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What unit of force is smaller than the newton?

In the SI, the usual SI prefixes would be used for smaller units - prefixes such as milli, micro, etc.


List SI units of measurements and common SI prefixes?

SI units of measurements: meter (length), kilogram (mass), second (time), ampere (electric current), kelvin (temperature), mole (amount of substance), candela (luminous intensity). Common SI prefixes: kilo- (k, 10^3), mega- (M, 10^6), giga- (G, 10^9), milli- (m, 10^-3), micro- (μ, 10^-6), nano- (n, 10^-9), pico- (p, 10^-12).


Which SI units can be used to describe the measurment of volume?

liters including all prefixes


SI units are useful because they are all related by multiples of?

10


Explain why scientists use the International System of Units (SI).?

I have NO idea


Is femo a si prefix?

No, "femo" is not a SI prefix. The SI (International System of Units) prefixes are used to denote multiples or fractions of base units in the metric system, such as kilo-, mega-, milli-, etc.


What is the base units for length and mass?

The SI (Systeme International) units for mass is the kilogram. For length, it is the Metre, and for volume, the Litre. Note the system is known as the International System, (SI). The International Bureau for Weights and Measures is located near Paris France, the on their web site they have lots of useful information, including for example, the prefixes for the multiples and sub-multiples. Such as Mega, and micro.


What is the unit for measuring foece?

In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.


Why are prefixes used in SI units?

Prefixes are used because it is easier to say "7.45 centimeters" than it is to say "745 times 10 to the negative-4 meters"


What is a SI unit?

SI unis are an International System of Units, a system of physical measurement units based on the metre, kilogram, second, ampere, kelvin, candela, and mole. They come with a set of prefixes which indicate multiplication or division by a power of ten.


What are the divisions of metric system?

For units larger or smaller than the base units, you can use prefixes such as kilo (x 1000), Mega (x 1 million), milli (x 0.001), micro (x 0.000 001), etc.; for a complete list, search the Wikipedia for "SI prefixes".


What measure is volume in units?

milliliters, deciliters, litersAnswer:The official SI unit for volume is the cubic meter. Surprisingly, the liter is not the official SI unit of volume, although is is commonly accepted as such and used with metric prefixes.