Evaluate
27\sqrt{723}\approx 725.993801626
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\sqrt{3}\sqrt{3}\sqrt{81}\sqrt{723}
Factor 243=3\times 81. Rewrite the square root of the product \sqrt{3\times 81} as the product of square roots \sqrt{3}\sqrt{81}.
3\sqrt{81}\sqrt{723}
Multiply \sqrt{3} and \sqrt{3} to get 3.
3\times 9\sqrt{723}
Calculate the square root of 81 and get 9.
27\sqrt{723}
Multiply 3 and 9 to get 27.
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