Evaluate
3\sqrt{11}+8\approx 17.949874371
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8+\sqrt{99}
Calculate 2 to the power of 3 and get 8.
8+3\sqrt{11}
Factor 99=3^{2}\times 11. Rewrite the square root of the product \sqrt{3^{2}\times 11} as the product of square roots \sqrt{3^{2}}\sqrt{11}. Take the square root of 3^{2}.
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