Evaluate
30\sqrt{645}\approx 761.905505952
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\sqrt{580500}
Multiply 45 and 12900 to get 580500.
30\sqrt{645}
Factor 580500=30^{2}\times 645. Rewrite the square root of the product \sqrt{30^{2}\times 645} as the product of square roots \sqrt{30^{2}}\sqrt{645}. Take the square root of 30^{2}.
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