Answer
$$\sqrt{2}\cdot\sqrt{8}=4$$
Explanation
| $$ \begin{aligned}\sqrt{2}\cdot\sqrt{8}& \xlongequal{ }\sqrt{16} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4\end{aligned} $$ | |
| ① | The square root of $ 16 $ is $ 4 $. |
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Simplify Radical Expression