Evaluate
4\sqrt{85}\approx 36.878177829
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\sqrt{1360}
Multiply 340 and 4 to get 1360.
4\sqrt{85}
Factor 1360=4^{2}\times 85. Rewrite the square root of the product \sqrt{4^{2}\times 85} as the product of square roots \sqrt{4^{2}}\sqrt{85}. Take the square root of 4^{2}.
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