Evaluate
6280\sqrt{251}\approx 99493.911371501
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314\times 20\sqrt{251}
Factor 100400=20^{2}\times 251. Rewrite the square root of the product \sqrt{20^{2}\times 251} as the product of square roots \sqrt{20^{2}}\sqrt{251}. Take the square root of 20^{2}.
6280\sqrt{251}
Multiply 314 and 20 to get 6280.
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