Evaluate
13\sqrt{30}\approx 71.203932476
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\sqrt{5070}
Multiply 78 and 65 to get 5070.
13\sqrt{30}
Factor 5070=13^{2}\times 30. Rewrite the square root of the product \sqrt{13^{2}\times 30} as the product of square roots \sqrt{13^{2}}\sqrt{30}. Take the square root of 13^{2}.
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