Question
Answer
$$-24\sqrt{400}=-480$$
Explanation
| $$ \begin{aligned}-24\sqrt{400}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-24\cdot20 \xlongequal{ } \\[1 em] & \xlongequal{ }-480\end{aligned} $$ | |
| ① | The square root of $ 400 $ is $ 20 $. |
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