Answer
$$(1+7)^7=2097152$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(1+7)^7& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8^7 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}2097152\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{1} + \color{blue}{7} = \color{blue}{8} $$ |
| ② | 1+7=8 |
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