Without using table, solve the equation 8x

^{-2}= (frac{2}{25})-
**A.**

4 -
**B.**

6 -
**C.**

8 -
**D.**

10

##### Correct Answer: Option D

##### Explanation

8x^{-2} = (frac{2}{25})

= 200x^{-2} = 2

= 100x^{-2} = 1

x^{-2} = (frac{1}{100})

x^{-2} = 10^{-2}

x = 10