Which could be the first step in simplifying this expression? Check all that apply.(x^3x^-6)^2 answer choices below as pictures

Which could be the first step in simplifying this expression Check all that applyx3x62 answer choices below as pictures class=
Which could be the first step in simplifying this expression Check all that applyx3x62 answer choices below as pictures class=
Which could be the first step in simplifying this expression Check all that applyx3x62 answer choices below as pictures class=
Which could be the first step in simplifying this expression Check all that applyx3x62 answer choices below as pictures class=
Which could be the first step in simplifying this expression Check all that applyx3x62 answer choices below as pictures class=