Evaluate
20\sqrt{14}\approx 74.833147735
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4\times 5\sqrt{14}
Factor 350=5^{2}\times 14. Rewrite the square root of the product \sqrt{5^{2}\times 14} as the product of square roots \sqrt{5^{2}}\sqrt{14}. Take the square root of 5^{2}.
20\sqrt{14}
Multiply 4 and 5 to get 20.
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