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14 March, 02:18

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

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Answers (1)
  1. 14 March, 04:11
    0
    C. 2.5*10^-27

    Step-by-step 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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    Your scientific or graphing calculator can compute and display this for you.
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