Evaluate
8\sqrt{21}\approx 36.66060556
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\sqrt{1344}
Multiply 48 and 28 to get 1344.
8\sqrt{21}
Factor 1344=8^{2}\times 21. Rewrite the square root of the product \sqrt{8^{2}\times 21} as the product of square roots \sqrt{8^{2}}\sqrt{21}. Take the square root of 8^{2}.
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