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Popular >

simplify (-2/7)^{-2}-2^{-2}

Solution

simplify

(- \frac{2}{7})^{- 2} - 2^{- 2}

Solution

12

Solution steps

(- \frac{2}{7})^{- 2} - 2^{- 2}

(- \frac{2}{7})^{- 2} = \frac{49}{4}

2^{- 2} = \frac{1}{4}

= \frac{49}{4} - \frac{1}{4}

\frac{49}{4} - \frac{1}{4} = 12

= 12

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Frequently Asked Questions (FAQ)

What is (-2/7)^{-2}-2^{-2} ?
The solution to (-2/7)^{-2}-2^{-2} is 12