Question

$(-1)^{2}+(-1)^{3} + (-1)^{4} + (-1)^{5}$ = ____

• A. -1
• B. 1
• C. 0
• D. -4

Answer 1

Answer:

C. 0

(-1)^2 = 1 (-1)^3 = -1 (-1)^4 = 1 (-1)^5 = -1 1 - 1 + 1 - 1 = 0