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649

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A number $x$ factors as $2^4\cdot7^4$. What is $\sqrt{x}$?

Guest Jun 18, 2020

1⁺⁰ Answers

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$x = 2^4 \cdot 7^4\\ \sqrt{x} = \sqrt{2^4 \cdot 7^4} = 2^{4/2} \cdot 7^{4/2} = 4\cdot 49 = 196$

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MaxWong Jun 18, 2020

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