Evaluate
60\sqrt{2}\approx 84.852813742
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4\sqrt{5}\times 3\sqrt{5}\sqrt{2}
Factor 10=5\times 2. Rewrite the square root of the product \sqrt{5\times 2} as the product of square roots \sqrt{5}\sqrt{2}.
4\times 5\times 3\sqrt{2}
Multiply \sqrt{5} and \sqrt{5} to get 5.
20\times 3\sqrt{2}
Multiply 4 and 5 to get 20.
60\sqrt{2}
Multiply 20 and 3 to get 60.
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