Evaluate
10\sqrt{10}\approx 31.622776602
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2\times 5\sqrt{10}
Factor 250=5^{2}\times 10. Rewrite the square root of the product \sqrt{5^{2}\times 10} as the product of square roots \sqrt{5^{2}}\sqrt{10}. Take the square root of 5^{2}.
10\sqrt{10}
Multiply 2 and 5 to get 10.
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