Evaluate
80\sqrt{6}\approx 195.959179423
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2\times 8\sqrt{5}\sqrt{5}\sqrt{6}
Factor 30=5\times 6. Rewrite the square root of the product \sqrt{5\times 6} as the product of square roots \sqrt{5}\sqrt{6}.
2\times 8\times 5\sqrt{6}
Multiply \sqrt{5} and \sqrt{5} to get 5.
16\times 5\sqrt{6}
Multiply 2 and 8 to get 16.
80\sqrt{6}
Multiply 16 and 5 to get 80.
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