Evaluate
8\sqrt{399}\approx 159.799874844
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\sqrt{25536}
Multiply 456 and 56 to get 25536.
8\sqrt{399}
Factor 25536=8^{2}\times 399. Rewrite the square root of the product \sqrt{8^{2}\times 399} as the product of square roots \sqrt{8^{2}}\sqrt{399}. Take the square root of 8^{2}.
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