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9-\left(\frac{1}{2}\right)^{-3}+\left(\frac{1}{4}\right)^{-2}
Calculate \frac{1}{3} to the power of -2 and get 9.
9-8+\left(\frac{1}{4}\right)^{-2}
Calculate \frac{1}{2} to the power of -3 and get 8.
1+\left(\frac{1}{4}\right)^{-2}
Subtract 8 from 9 to get 1.
1+16
Calculate \frac{1}{4} to the power of -2 and get 16.
17
Add 1 and 16 to get 17.