Evaluate
1600\sqrt{21}\approx 7332.121111929
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\sqrt{240\times 140\left(240-220\right)\left(240-160\right)}
Subtract 100 from 240 to get 140.
\sqrt{33600\left(240-220\right)\left(240-160\right)}
Multiply 240 and 140 to get 33600.
\sqrt{33600\times 20\left(240-160\right)}
Subtract 220 from 240 to get 20.
\sqrt{672000\left(240-160\right)}
Multiply 33600 and 20 to get 672000.
\sqrt{672000\times 80}
Subtract 160 from 240 to get 80.
\sqrt{53760000}
Multiply 672000 and 80 to get 53760000.
1600\sqrt{21}
Factor 53760000=1600^{2}\times 21. Rewrite the square root of the product \sqrt{1600^{2}\times 21} as the product of square roots \sqrt{1600^{2}}\sqrt{21}. Take the square root of 1600^{2}.
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