Question

Given a = -3, b = 1/2-and c=-4,
3ab * (-7bc)​

Answer 1

Step-by-step explanation:

3ab*(-7bc)=3*-3*1/2(-7*1/2*-4)

=-9/2(-7/-8)=-4.5(0.87)

=-3.915

Answer 2

Answer:63

Step-by-step explanation:

3*-3*1/2(-7*1/2*-4)

=-9/2*-14

=-9*-7

=63