\frac{ 3 }{ } \sqrt{ 640 }
Evaluate
24\sqrt{10}\approx 75.894663844
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3\sqrt{640}
Anything divided by one gives itself.
3\times 8\sqrt{10}
Factor 640=8^{2}\times 10. Rewrite the square root of the product \sqrt{8^{2}\times 10} as the product of square roots \sqrt{8^{2}}\sqrt{10}. Take the square root of 8^{2}.
24\sqrt{10}
Multiply 3 and 8 to get 24.
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