Answer:
x=
3
2
=0.667
x=3
Step-by-step explanation:
The answer is 24. To get from one term to the next, you have to find the difference. To get from 52 to 45, you minus 7. It is the same with the other terms. So 31 - 7 = 24
Answer:

(10 x 10 18 times)(10 x 10 23 times) 
just as a note: when you multiply numbers with exponents and they both have the same base, all you have to do is add the exponents.
Ex: 
If the top of the fraction is less than the bottom, the fraction is less than one. However, Federico has raised 11/10 of what he needs and the top is bigger than the bottom so he’s raised the most money.