Evaluate
2\sqrt{61}\approx 15.620499352
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\sqrt{4+240}
Multiply 4 and 60 to get 240.
\sqrt{244}
Add 4 and 240 to get 244.
2\sqrt{61}
Factor 244=2^{2}\times 61. Rewrite the square root of the product \sqrt{2^{2}\times 61} as the product of square roots \sqrt{2^{2}}\sqrt{61}. Take the square root of 2^{2}.
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