Respuesta :

Answer:

9/x^4

Step-by-step explanation:

You use the rule of exponents to simplify the expression.

Answer:

9 over x ^4

Step-by-step explanation:

1)3^2(x^-2)^2

2)9(x^-2)^2

3)9x^-4

4)9 * 1 over x^4

5)Answer is 9 over x^4