Simplify the expression, giving your answer in simplest index form: $\left(3^5\right)^2$(35)2.

Simplify the following expression: $\left(x^3\right)^5$(x3)5.

$\left(-5\right)^{13}$(−5)13 simplifies to which of the following?

$\left(-x^3\right)^4$(−x3)4 simplifies to which of the following: