Evaluate
16\sqrt{2}\approx 22.627416998
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4\times 4\sqrt{2}
Factor 32=4^{2}\times 2. Rewrite the square root of the product \sqrt{4^{2}\times 2} as the product of square roots \sqrt{4^{2}}\sqrt{2}. Take the square root of 4^{2}.
16\sqrt{2}
Multiply 4 and 4 to get 16.
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