Evaluate
3\sqrt{3}\approx 5.196152423
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\sqrt{27}
Calculate 3 to the power of 3 and get 27.
3\sqrt{3}
Factor 27=3^{2}\times 3. Rewrite the square root of the product \sqrt{3^{2}\times 3} as the product of square roots \sqrt{3^{2}}\sqrt{3}. Take the square root of 3^{2}.
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