(x3)(x4) is x7 because when you have a problem like that, you have to ADD your exponents.
-(m4)3 is -m12 since you're multiplying them.
(z3)5 is z15
y4 x y5 is y9
thats all i know of. hope it helps cx
Answer:
D
Step-by-step explanation:
I need to know which question it is though
That is about right... 2,514 X 2 = 5,028 so he is about 1,000 off. I will leave the rest to you.
