| $$ \begin{aligned}\sqrt{5}^{11}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3125\sqrt{5}\end{aligned} $$ | |
| ① | $$ \sqrt{5}^{11} =
\left( \sqrt{5} ^2 \right)^{ 5 } \cdot \sqrt{5} =
\lvert 5 \rvert ^{ 5 } \cdot \sqrt{5} =
3125\sqrt{5} $$ |