Question
Answer
$$6\cdot9\sqrt{75}=270\sqrt{3}$$
Explanation
| $$ \begin{aligned}6\cdot9\sqrt{75}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}270\sqrt{3}\end{aligned} $$ | |
| ① | $$ 54 \sqrt{75} =
54 \sqrt{ 5 ^2 \cdot 3 } =
54 \sqrt{ 5 ^2 } \, \sqrt{ 3 } =
54 \cdot 5 \sqrt{ 3 } =
270 \sqrt{ 3 } $$ |
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