Answer:
6
Explanation:
well. 4z is 4x2 which is 8 and 8 to the second power is 16.
then you take 3z or 3x2 which is 6. so now you have 16-6. but then there’s no multiplication left. you’re stuck with this: 16 - 6 - 4.
well since 16 - 6 is 10, 10 - 4 is 6.
so the value of the expression would be 6.