1. The problem statement, all variables and given/known data Obtain z^10 for z=-1+i 2. Relevant equations z=re^i(theta) 3. The attempt at a solution Theta is 3pi/4. So z^10 = 32e^i(15pi/2). The answer in my book is 32e^i(3pi/2) but I'm pretty sure that's wrong, can anyone confirm?