Question

A human hair has a thickness of about 70 micrometers. How many meters is
this?
A. 70 x 10-2 m
B. 70 x 10-6 m
C. 70 x 10-3 m
D. 70 x 10-ºm

Answer 1

Answer:

the answer is B. 70 x 10-6 m

Explanation:

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Answer 2

When converting from micrometers to meters, you have to divide the value by 1,000,000

= 70/1000000

= 7 ×10⁻⁵

Hence the thickness of the human hair is in meters is 7×10⁻⁵ m

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