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

  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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step-by-step explanation:

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2nd one in the first row is correct