Respuesta :

musiclover10045
rewrite putting the -3 on all numbers:

(a^-8)^-3 b^-3 / (a^-5)^-3 (b^3)^-3

multiply exponents:
a^24b^-3 / a^15b^-9

subtract exponents:
24-15 = 9  9-3 =6 ( don't use negative signs)

the answer is a^9b^6