Which multiplication has a negative answer?

A) (-1)(-1)
B) (-1)(-1)(-1)(-1)
C) (-1)(-1)(-1)(-1)(-1)
D) (-1)(-1)(-1)(0)
c?

Yes, C.

To determine which multiplication has a negative answer, we can evaluate each option:

A) (-1)(-1) = 1
B) (-1)(-1)(-1)(-1) = 1
C) (-1)(-1)(-1)(-1)(-1) = -1
D) (-1)(-1)(-1)(0) = 0

Therefore, option C) (-1)(-1)(-1)(-1)(-1) has a negative answer (-1). So, your answer is correct.