High School

Express the length of 6.2 inches in meters to the appropriate number of significant digits.

A. 0.16 m
B. 0.157 m
C. 0.158 m
D. 0.159 m

Answer :

Final answer:

The conversion of 6.2 inches to meters results in approximately 0.157 meters. The closest answer choice, considering two significant figures, is (b) 0.157 m.

Explanation:

The standard unit of length in both the SI and original metric systems is the meter (m). When we want to convert inches to meters, we have to remember that one inch equals 0.0254 meter. Using this conversion, we can easily switch 6.2 inches to meters:

6.2 in * 0.0254 m/in = 0.157 m

This length is close to the provided choices, and the closest to this computed value from the answer choices, taking into account only two significant figures, is: (b) 0.157 m.

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