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OpenStudy (anonymous):
What is the product of 7√10 * 3√5 simplified?
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OpenStudy (anonymous):
is it 21√5 or 21√2?
OpenStudy (anonymous):
\[7 \sqrt{10}\times3\sqrt{5}\]\[(7\times3)\times \sqrt{10\times5}\]\[21\sqrt{50} = 21\times5\sqrt{2} = 105\sqrt{2}\]
OpenStudy (anonymous):
ok that is so much clearer:) thanks:)
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