could someone help me with math?

Question

If you put $1,300 into a savings account every year from the time you are 28 years old until you are 70 years old, you will have more than 5.73 x 10^5 dollars in the account when you reach 70 years of age assuming 9% annual interest). Write 5.73 x 10^5 in expanded form. 

 

Answer 1

5.73 x 10^5 expanded

 

= 5.73 x 100000

 

= 573,000