Ltamtecarwo8o Ltamtecarwo8o

04-09-2016
Mathematics

contestada

what is the value of the expression 8 to the -2nd power? a. –16 b. 1/64 c. 1/16 d. 64

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TacoMan22 TacoMan22

04-09-2016

The answer is b. 1/64

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dalendrk dalendrk

04-09-2016

[tex]a^{-n}=\dfrac{1}{a^n}\\\\8^{-2}=\dfrac{1}{8^2}=\dfrac{1}{8\cdot8}=\boxed{\frac{1}{64}}[/tex]

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