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Unit Conversions

1. Intro to Physics Units / Unit Conversions / Problem 5

The Earth's circumference at the equator is approximately 40,075 kilometers. How many cm are there in the Earth's equatorial circumference?

A

4.0075 × 10⁹ cm

B

4.0075 × 10⁴ cm

C

4.0075 × 10¹⁵ cm

D

4.0075 × 10⁶ cm

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