Question

(-1) with the power of 2 + (-1) with the power of 3 + __________+(-1) with the power of 10​

Answer 1

(-1)² + (-1)³ + ___ + (-1)^{10} = 0

1 + (-1) + ___ + 1 = 0

___ + 1 = 0

___ = -1