Evaluate
12\sqrt{3}\approx 20.784609691
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2\sqrt{6}\sqrt{3}\sqrt{6}
Factor 18=6\times 3. Rewrite the square root of the product \sqrt{6\times 3} as the product of square roots \sqrt{6}\sqrt{3}.
2\times 6\sqrt{3}
Multiply \sqrt{6} and \sqrt{6} to get 6.
12\sqrt{3}
Multiply 2 and 6 to get 12.
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