Evaluate
216\sqrt{5}\approx 482.99068314
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8\times 9\sqrt{3}\sqrt{5}\sqrt{3}
Factor 15=3\times 5. Rewrite the square root of the product \sqrt{3\times 5} as the product of square roots \sqrt{3}\sqrt{5}.
8\times 9\times 3\sqrt{5}
Multiply \sqrt{3} and \sqrt{3} to get 3.
72\times 3\sqrt{5}
Multiply 8 and 9 to get 72.
216\sqrt{5}
Multiply 72 and 3 to get 216.
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