how to simplify sqrt(320)?

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how to simplify sqrt(320)?

Guest Mar 11, 2015

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Best Answer

+118613

+5

You look for a square number that goes into 320.

I see 16

$$\\\sqrt{320}=\sqrt{16}\times \sqrt 20\\\\
\sqrt{320}=4\times \sqrt {20}\\\\
\sqrt{320}=4\times\sqrt{4}\times \sqrt 5\\\\
\sqrt{320}=4\times 2\times \sqrt 5\\\\
\sqrt{320}=8 \sqrt 5\\\\$$

Melody Mar 12, 2015

1⁺⁰ Answers

+118613

+5

Best Answer

You look for a square number that goes into 320.

I see 16

$$\\\sqrt{320}=\sqrt{16}\times \sqrt 20\\\\
\sqrt{320}=4\times \sqrt {20}\\\\
\sqrt{320}=4\times\sqrt{4}\times \sqrt 5\\\\
\sqrt{320}=4\times 2\times \sqrt 5\\\\
\sqrt{320}=8 \sqrt 5\\\\$$

Melody Mar 12, 2015

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