Evaluate
24\sqrt{5}\approx 53.66563146
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2\sqrt{720}
Multiply 36 and 20 to get 720.
2\times 12\sqrt{5}
Factor 720=12^{2}\times 5. Rewrite the square root of the product \sqrt{12^{2}\times 5} as the product of square roots \sqrt{12^{2}}\sqrt{5}. Take the square root of 12^{2}.
24\sqrt{5}
Multiply 2 and 12 to get 24.
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