I am assuming you are trying to write seven to the power of fourteen and seven to the power of two, and if that is what you meant the correct answer is 13841287201.
Answer:
a=3,b=5
Step-by-step explanation:

so as you got it:

7 because if u add 4 and 3 that's what u end up with
Answer:
Step-by-step explanation:

hope this helps