Evaluate
3\sqrt{35}\approx 17.748239349
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\sqrt{315}
Multiply 630 and 0.5 to get 315.
3\sqrt{35}
Factor 315=3^{2}\times 35. Rewrite the square root of the product \sqrt{3^{2}\times 35} as the product of square roots \sqrt{3^{2}}\sqrt{35}. Take the square root of 3^{2}.
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