I found i + i^2 + i^3 + i^4 question, so I thought of this question.

 (i*i) + (i*i)^2 + (i*i)^3

 

\( (i*i) + (i*i)^2 + (i*i)^3\\ =-1+(-1)^2+(-1)^3\\ =-1 + 1 + -1\\ =-1\\\)