Since they both have the same variables, just add the numbers and get 13. So therefore it is 13x
Answer is A. 1/125 √3 1/125
Answer:

Step-by-step explanation:
The rational exponent form is as the pictures show. (The first one just shows random examples).
Hope it helps!
B because for 8x = 10 you would do 8x/8 and 10/8 which makes it 10/8 not 8/10