Question

Which product, when simplified, is negative?

A
0.5×(−6.9)×100×(−4)

B
90×[−25]×(−1)×15

C
−3.5×10×(−7)×(−18.5)

D
−8×(−14)×(−2)×(−1000)

Answer 1

C, because when there is an odd number of negative signs the solution will be negative.

Answer 2

C

−3.5×10×(−7)×(−18.5)

Explanation:

There are three negative signs in this expression. An odd number of negative signs will result in a Negative product.

Remember: "a negative times a negative is a positive!"

This is true whenever there is an EVEN number of negative signs.