Please select the best answer from the choices provided
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(27a^-3)^-2/3
=(3^3 a^-3)^-2/3
= 3^(3 *(-2/3) a^(-3 * (-2/3))
= 3^-2 a^2
= a^2/3^2
=a^2/9
Answer
a) a^2/9