Evaluate
9\sqrt{10}\approx 28.460498942
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\frac{9\sqrt{10}}{1}
Factor 810=9^{2}\times 10. Rewrite the square root of the product \sqrt{9^{2}\times 10} as the product of square roots \sqrt{9^{2}}\sqrt{10}. Take the square root of 9^{2}.
9\sqrt{10}
Anything divided by one gives itself.
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