Evaluate
\frac{3\sqrt{22}}{5}\approx 2.814249456
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\frac{3\sqrt{22}}{5}
Factor 198=3^{2}\times 22. Rewrite the square root of the product \sqrt{3^{2}\times 22} as the product of square roots \sqrt{3^{2}}\sqrt{22}. Take the square root of 3^{2}.
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