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What is the base SI unit for length?

1) mile
2) centimeter
3) foot
4) meter
5) none of the above

User Jtjacques
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1 Answer

5 votes

Final answer:

The base SI unit for length is the meter (m). Other metric units of length, such as the centimeter and millimeter, are derived from the meter.

Step-by-step explanation:

The base SI unit for length is the meter (m).

The meter was originally defined as 1/10,000,000 of the distance from the North Pole to the equator. However, it is now defined as the distance light in a vacuum travels in 1/299,792,458 of a second.

Other metric units of length, such as the centimeter and millimeter, are derived from the meter.

User GiantCowFilms
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