\sqrt { ( 243 }
Evaluate
9\sqrt{3}\approx 15.588457268
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9\sqrt{3}
Factor 243=9^{2}\times 3. Rewrite the square root of the product \sqrt{9^{2}\times 3} as the product of square roots \sqrt{9^{2}}\sqrt{3}. Take the square root of 9^{2}.
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