Explanation:
To simplify this expression, we need to apply the power rule of exponentiation, which states that (a^n)^m = a^(n*m).
In this case, we can start by squaring the expression within the parentheses:
(3xy)^2 = (3xy)*(3xy) = 9x^2y^2
Then, we can substitute this into the original expression:
(3xy)^2xty = 9x^2y^2xty = 9x^(2+1)y^(2+1)t = 9x^3y^3t
Therefore, the simplified form of the expression (3xy)^2xty is 9x^3y^3t.