Question

multiply...(-3t)^2(2t^4)^2=-12t^4?

Answer 1

Close.

36t^10

Answer 2

how did you get that?

Answer 3

Taking the first part:

(-3t)^2 = (-3)^2 * (t)^2 = 9t^2

Taking the second part:

(2t^4)^2 = (2)^2 * (t^4)^2 = 4t^8

Multiplying both parts:

9t^2 * 4t^8 = 9 * 4 * t^2 * t^8 = 36t^10