Question

\left(\frac{2}{3}\right)^{-3}

Answer 1

=\left(\frac{1}{\frac{2}{3}}\right)^3
=\left(\frac{3}{2}\right)^3
=\left(\frac{3^3}{2^3}\right)
=\left(\frac{27}{8}\right)
= \frac{27}{8}