Question

If z = 12.8, what is the value of 2(z - 4)? [Type your answer as a number.]

Answer 1

So when evr you have a number outside of parenthense you mulitply

12.8 = z

12.8z - 4= 8.8

8.8 x 2=17 . 6

Answer 2

17.6 is your answer 

Hope this helps!!