Evaluate
9\sqrt{5626}\approx 675.059997334
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\sqrt{81+675^{2}}
Calculate 9 to the power of 2 and get 81.
\sqrt{81+455625}
Calculate 675 to the power of 2 and get 455625.
\sqrt{455706}
Add 81 and 455625 to get 455706.
9\sqrt{5626}
Factor 455706=9^{2}\times 5626. Rewrite the square root of the product \sqrt{9^{2}\times 5626} as the product of square roots \sqrt{9^{2}}\sqrt{5626}. Take the square root of 9^{2}.
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