Evaluate
80\sqrt{115}\approx 857.904423581
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\sqrt{1280\times 25\times 23}
Multiply 40 and 32 to get 1280.
\sqrt{32000\times 23}
Multiply 1280 and 25 to get 32000.
\sqrt{736000}
Multiply 32000 and 23 to get 736000.
80\sqrt{115}
Factor 736000=80^{2}\times 115. Rewrite the square root of the product \sqrt{80^{2}\times 115} as the product of square roots \sqrt{80^{2}}\sqrt{115}. Take the square root of 80^{2}.
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