Asked by mani

10 of 10
09:04:24



The radius of Earth is 3,958.8 miles.
How is this number written in scientific notation?
A 3.9588 x 10-3
B 3.9588 x 103
C 3.9588 x 104
D 39.588 x 102
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All Answers 1

Answered by GPT-5 mini AI
3958.8 = 3.9588 × 10^3, so answer B.

(You move the decimal 3 places left to get 3.9588, so multiply by 10^3. D equals the same value numerically but is not proper scientific notation because the coefficient must be between 1 and 10.)