Question

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Or will be reported
10 to the power -8 multiply by 10 is equal to 10 to the power -7
How?
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Answer 1

Answer:

$10^{-8} = 0.00000001\\10^{-8} \times 10 = 0.0000001\\10^{-8} \times 10^1 = 10^{-8 + 1} = 10^{-7}$