Evaluate
11-\sqrt{7}\approx 8.354248689
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\left(\sqrt{7}\right)^{2}-\sqrt{7}+4
Calculate -\sqrt{7} to the power of 2 and get \left(\sqrt{7}\right)^{2}.
7-\sqrt{7}+4
The square of \sqrt{7} is 7.
11-\sqrt{7}
Add 7 and 4 to get 11.
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