Evaluate
6\sqrt{34}\approx 34.985711369
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12\times \frac{1}{2}\sqrt{34}
Multiply 2 and 6 to get 12.
\frac{12}{2}\sqrt{34}
Multiply 12 and \frac{1}{2} to get \frac{12}{2}.
6\sqrt{34}
Divide 12 by 2 to get 6.
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