Question

4 ÷ 81 raised to the -2 power

Answer 1

Answer:

\frac{6561}{16}

Step-by-step explanation:

$\boxed {a^{-m} = \frac{1}{a^m} }$

Hence, $(\frac{4}{81})^{-2} =(\frac{81}{4})^{2}$

$(\frac{81}{4})^{2} = \frac{6561}{16}$

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