Simplify the expression. Write the answer using scientific notation. (2 × 10^13)^-2 A.-4×10^-26 B.0.25 ×10^-26 C.2.5×10^-27 D.2.5×10^-26

Question

asked Jan 28, 2019 61.7k views

1 Answer

Arun Kumar Mohan · Answer 1 · 2019-02-03T04:15:36+0000

Answer:

C. 2.5×10^-27

Explanation:

(2×10^-13)^-2 = 2^-2 × 10^(13×(-2)) = 1/4 × 10^-26

= 0.25 × 10^-26 = 2.5 × 10^-27

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