The table shows the amount of mail delivered through three different postal services per year. Which order shows the total amount mailed listed from Least to Greatest. (Smallest to Biggest)

Answer:
The third one
Step-by-step explanation:
Five times ten to the ninth power is like five times a number with nine zeros
1,000,000,000
it is the biggest, which means it is last
the third answer is the only one that has it last