Evaluate
90\sqrt{14}\approx 336.74916481
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45\times 2\sqrt{14}
Factor 56=2^{2}\times 14. Rewrite the square root of the product \sqrt{2^{2}\times 14} as the product of square roots \sqrt{2^{2}}\sqrt{14}. Take the square root of 2^{2}.
90\sqrt{14}
Multiply 45 and 2 to get 90.
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