The correct option is D 1/8^ 2We know, for any non zero integer 'a' and nbsp;positive integer 'm', a^ m=1/a^m ⇒ a^m=1/a^ m ∴ 8^2 =1/8^ 2 ...

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Exponent

82 equals

Question

$8^{2}$ equals

\frac{1}{8^{- 2}}

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\frac{1}{8^{2}}

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8^{- 2}

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\frac{- 1}{8^{2}}

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Solution

The correct option is A $\frac{1}{8^{- 2}}$
We know, for any non-zero integer 'a' and positive integer 'm',
$a^{- m} = \frac{1}{a^{m}} \Rightarrow a^{m} = \frac{1}{a^{- m}} ∴ 8^{2} = \frac{1}{8^{- 2}}$

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Question 32.
8 $\frac{2}{7}$ is equal to the improper fraction ___.

{(\sqrt{82} + \sqrt{82})}^{2}

(82) (\sqrt{82})

\frac{(\sqrt{82} + \sqrt{82})}{82}

(- 82) \times {\begin{matrix} (- 4) + 19 \end{matrix}} = (- 82) \times (- 4) + (- 82) \times 19

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