(9^-2)^-4
You asked:
Evaluate the expression: \({{9}^{-2}}^{-4}\)
MathBot Answer:
\[{{9}^{-2}}^{-4} = 43046721\]
\[\begin{aligned}{{9}^{-2}}^{-4}& = \frac{1}{\left(\frac{1}{9^{2}}\right)^{4}}\\& = \frac{1}{(\frac{1}{81})^{4}}\\& = 43046721\end{aligned}\]