Evaluate
4\sqrt{266}\approx 65.238025721
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\sqrt{4256}
Multiply 76 and 56 to get 4256.
4\sqrt{266}
Factor 4256=4^{2}\times 266. Rewrite the square root of the product \sqrt{4^{2}\times 266} as the product of square roots \sqrt{4^{2}}\sqrt{266}. Take the square root of 4^{2}.
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