Question
Simplify : $\left[\left(\frac{2}{3}\right)^{-4}\right]^5$
✓
Answer
\begin{aligned}
\left[\left(\frac{2}{3}\right)^{-4}\right]^5 \\
=\left(\frac{2}{3}\right)^{(-4) \times 5}=\left(\frac{2}{3}\right)^{-20}
\end{aligned}
\left[\left(\frac{2}{3}\right)^{-4}\right]^5 \\
=\left(\frac{2}{3}\right)^{(-4) \times 5}=\left(\frac{2}{3}\right)^{-20}
\end{aligned}
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