Evaluate
64\sqrt{2}\approx 90.509667992
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128\times \frac{1}{2}\sqrt{2}
Multiply 8 and 16 to get 128.
\frac{128}{2}\sqrt{2}
Multiply 128 and \frac{1}{2} to get \frac{128}{2}.
64\sqrt{2}
Divide 128 by 2 to get 64.
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