Evaluate
9\sqrt{30}\approx 49.295030175
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3\times 3\sqrt{30}
Factor 270=3^{2}\times 30. Rewrite the square root of the product \sqrt{3^{2}\times 30} as the product of square roots \sqrt{3^{2}}\sqrt{30}. Take the square root of 3^{2}.
9\sqrt{30}
Multiply 3 and 3 to get 9.
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