Evaluate
80\sqrt{10}\approx 252.982212813
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8\times 10\sqrt{10}
Factor 1000=10^{2}\times 10. Rewrite the square root of the product \sqrt{10^{2}\times 10} as the product of square roots \sqrt{10^{2}}\sqrt{10}. Take the square root of 10^{2}.
80\sqrt{10}
Multiply 8 and 10 to get 80.
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