Question
Answer
$$\sqrt{290000}=100\sqrt{29}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\sqrt{290000}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}} \sqrt{ 10000 \cdot 29 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}} \sqrt{ 10000 } \cdot \sqrt{ 29 } \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}100\sqrt{29}\end{aligned} $$ | |
| ① | Factor out the largest perfect square of 290000. ( in this example we factored out $ 10000 $ ) |
| ② | Rewrite $ \sqrt{ 10000 \cdot 29 } $ as the product of two radicals. |
| ③ | The square root of $ 10000 $ is $ 100 $. |
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Simplify Radical Expression