Respuesta :

Here's a rule that applies to this expression:

  1. Dividing exponents of the same base: [tex] \frac{x^m}{x^n}=x^{m-n} [/tex]

For this, just divide:

[tex] \frac{3^{-9}}{3^{-12}}=3^{-9-(-12)}=3^3 [/tex]

Your answer is 3^3, or the third option.

Answer:

C) 3^3

Step-by-step explanation: