Evaluate
98
Factor
2\times 7^{2}
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7^{2}\left(\sqrt{2}\right)^{2}
Expand \left(7\sqrt{2}\right)^{2}.
49\left(\sqrt{2}\right)^{2}
Calculate 7 to the power of 2 and get 49.
49\times 2
The square of \sqrt{2} is 2.
98
Multiply 49 and 2 to get 98.
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