Evaluate
120\sqrt{2}\approx 169.705627485
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3\times 4\sqrt{10}\sqrt{10}\sqrt{2}
Factor 20=10\times 2. Rewrite the square root of the product \sqrt{10\times 2} as the product of square roots \sqrt{10}\sqrt{2}.
3\times 4\times 10\sqrt{2}
Multiply \sqrt{10} and \sqrt{10} to get 10.
12\times 10\sqrt{2}
Multiply 3 and 4 to get 12.
120\sqrt{2}
Multiply 12 and 10 to get 120.
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