9. Exemplar - Find the value of the following

Find the value of following:

\frac{4}{{(216)}^{\frac{- 2}{3}}} + \frac{1}{{(256)}^{\frac{- 3}{4}}} + \frac{2}{{(243)}^{\frac{- 1}{5}}}

\(=\)

Did you find an error?