raise the quantity in parentheses to the indicated exponent, and simplify (-3x^2y^6)^2

Question

problem: raise the quantity in parentheses to the indicated exponent, and simplify

(-3x^2y^6)^2

Answer 1

[39+(5-2)^2÷12=

Answer 2

23  x  2 -1

Answer 3

7to the power of 2+1-5x3= 135 but where do you put the parentheses