Answer:
4th one
Step-by-step explanation:
a^-2 goes down and become a^2 and

b^-1 goes up and become b

that why answer is 4th...mark me brainliest please
Answer: I think its 2.09
Step-by-step explanation:
But i'm not sure.
IDK. I looked up the answer but i couldn't find it. I'm on UsaTestPrep and they gave me the same question.
Answer: 7
Step-by-step explanation:
Hope this helps!