Worked Solution #2 of 5, increasing in difficulty.

Expand the following:

\begin{align} \quad\quad\quad\quad\quad\quad\quad\quad\Large {( \ 2 \ x^{2} \ y^{5} \ )^{3} } \\ \\ &\cssId{Step1}{\Large = { ( \ 2^{3} \ ) \ ( \ x^{2} \ )^{3} \ ( \ y^{5} \ )^3 }} \\ \\ &\cssId{Step2}{\Large = { 8 \ x^{6} \ y^{15} }} \\ \\ \end{align}