Question

Evaluate 1/x^-2 for x = 7.
A. -49
B. 1/49
C. 49

Answer 1

`\frac{a}{{b}^(n) } = a * {b}^( - n)`
Using this formula, it will become:

`1 * {x}^(2)`
Which equals 1 x 7 x 7 which is 49...
Which means the answer is c..

Answer 2

The answer to this question is c