Write (8a^-3)^-2/3 in simplest form

3 answers

1/4a^2
Please help me understand how you got to that answer.
apply the exponent of -2/3 to each of the factors

(8a^-3)^(-2/3)
= (8^(-2/3) )(a^2)
= (1/8^(2/3))(a^2)
= (1/4)a^2