Answer:
27 ^6
Step-by-step explanation:
The first step is to split the expression into 2 parts (ab)^x = a^x b^x
(3a^2)^3
3^3 a^2 ^3
27 a^2^3
We can then us the power of power rule to simplify the exponents x^a^b = x^(ab)
27 a^(2*3)