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OpenStudy (anonymous):
Simplify √20
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OpenStudy (anonymous):
\[sqrt{20}=sqrt{4\times 4}=\sqrt{4}\times \sqrt{5}=2\sqrt{5}\]
OpenStudy (anonymous):
20 factors to be 4 * 5. Since the sq rt of 4 = 2. that would give you \[2\sqrt{5}\]
OpenStudy (anonymous):
lots o typos in my answer. sorry
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