Respuesta :

Space

Answer:

[tex]\frac{1}{9^3}[/tex] or [tex]\frac{1}{729}[/tex]

Step-by-step explanation:

When we have an exponent that is a negative, it is the same thing as 1 over the positive exponent. So, we move 9^-3 into 1/9^3 and then we evaluate the exponent to get our answer.