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Find the value of,
\begin{aligned}
\frac{1}{216^{-\frac{2}{3}}}+\frac{1}{256^{-\frac{3}{4}}}+\frac{1}{32^{-\frac{1}{5}}}
\end{aligned}

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4. Value of \begin{aligned} (256)^{\frac{5}{4}} \end{aligned}

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