Evaluate this expression for a= -2

Question

2a to the 3rd power times (2a) to the 3rd power

Answer 1

Substitute in -2 for each a value... and remember to the third power means write it out three times....
So you have 2aaa x (2a)(2a)(2a)
= 2x-2x-2x-2x(2x-2)(2x-2)(2x-2)
= ...