Simplify:
= (answer here) ^a0

Answer:
9
Step-by-step explanation:
1) Using n√a^m = (n√a)^m, rewrite the root like (3√27)^2
2) Write the number in exponential form with a base of 3: (3√3^3)^2
3) Calculate the cube root: 3^2
4) Evaluate the power: 3^2=9