$$ \begin{aligned}{w^2}^8{w^4}^5& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}w^{16}\cdot1w^{20} \xlongequal{ } \\[1 em] & \xlongequal{ }w^{36}\end{aligned} $$ | |
① | $$ \left( w^2 \right)^8 = 1^8 \left( w^2 \right)^8 = w^{16} $$$$ \left( w^4 \right)^5 = 1^5 \left( w^4 \right)^5 = w^{20} $$ |