Evaluate
18\sqrt{5}\approx 40.249223595
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18\sqrt{5}
Factor 1620=18^{2}\times 5. Rewrite the square root of the product \sqrt{18^{2}\times 5} as the product of square roots \sqrt{18^{2}}\sqrt{5}. Take the square root of 18^{2}.
Examples
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Matrix
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