Evaluate
2\sqrt{46}\approx 13.564659966
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\sqrt{40+144}
Add 36 and 4 to get 40.
\sqrt{184}
Add 40 and 144 to get 184.
2\sqrt{46}
Factor 184=2^{2}\times 46. Rewrite the square root of the product \sqrt{2^{2}\times 46} as the product of square roots \sqrt{2^{2}}\sqrt{46}. Take the square root of 2^{2}.
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