Question

What is the value of the expression 3.2x−2y+1.7z when x=2
, y=−0.6 , and z=−4 ?



Responses

1.6
1.6

0.8
0.8

−1.6
negative 1.6

I don't know.

Answer 1

To find the value of the expression 3.2x - 2y + 1.7z when x=2, y=-0.6, and z=-4, substitute the given values into the expression:

3.2(2) - 2(-0.6) + 1.7(-4)
= 6.4 + 1.2 - 6.8
= 0.8

Therefore, the value of the expression is 0.8.