Evaluate
9\sqrt{22}\approx 42.213741838
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\sqrt{1782}
Multiply 66 and 27 to get 1782.
9\sqrt{22}
Factor 1782=9^{2}\times 22. Rewrite the square root of the product \sqrt{9^{2}\times 22} as the product of square roots \sqrt{9^{2}}\sqrt{22}. Take the square root of 9^{2}.
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