Tap the blue circles to see an explanation.
| $$ \begin{aligned}10^2\cdot3^4& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}100\cdot81 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}8100\end{aligned} $$ | |
| ① | $ 10 ^ 2 = 100 $$ 3 ^ 4 = 81 $ |
| ② | $ 100 \cdot 81 = 8100 $ |