Answer:
The Answer is C
Step-by-step explanation:
It's C for Apex
Answer:
64q^6r^8s^4
Step-by-step explanation:
(-8q^3r^4s^2)^2
= (-8)^2 q^(3*2) r^(4*2) s^(2*2)
= 64q^6r^8s^4
Here is the answer.hope it helps...
Try 9:2 and 3:1 but I'm not sure if that's right or not