Answer
$$\frac{\sqrt{700}}{179}=\frac{10\sqrt{7}}{179}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{\sqrt{700}}{179}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{ \sqrt{ 100 \cdot 7 } }{ 179 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}\frac{ \sqrt{ 100 } \cdot \sqrt{ 7 } }{ 179 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}\frac{10\sqrt{7}}{179}\end{aligned} $$ | |
| ① | Factor out the largest perfect square of 700. ( in this example we factored out $ 100 $ ) |
| ② | Rewrite $ \sqrt{ 100 \cdot 7 } $ as the product of two radicals. |
| ③ | The square root of $ 100 $ is $ 10 $. |
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