Evaluate
9\sqrt{21}\approx 41.243181255
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\sqrt{1701}
Multiply 243 and 7 to get 1701.
9\sqrt{21}
Factor 1701=9^{2}\times 21. Rewrite the square root of the product \sqrt{9^{2}\times 21} as the product of square roots \sqrt{9^{2}}\sqrt{21}. Take the square root of 9^{2}.
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