Question

(-1) to the 5th power (-30)

Answer 1

thirty.

Answer 2

(-1)^5 = -1

(-1)*30=30

note that (-1) to any power which is odd (1,3,5,....) will be -1
and (-1) to any power which is even (2,4,6,8,....) will be 1

is it clear why that is the case ?