Evaluate
120\sqrt{5}\approx 268.3281573
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3\sqrt{8000}
Multiply 125 and 64 to get 8000.
3\times 40\sqrt{5}
Factor 8000=40^{2}\times 5. Rewrite the square root of the product \sqrt{40^{2}\times 5} as the product of square roots \sqrt{40^{2}}\sqrt{5}. Take the square root of 40^{2}.
120\sqrt{5}
Multiply 3 and 40 to get 120.
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