Answer:
$400,897.66
Step-by-step explanation:
Assuming that no further contributions will be made and that interest is compounded annually, the expression that describes the future value of a principal amount 'P', deposited at an annual rate 'r', for a period of 'n' years is:

For a 45-year $5,500 investment at a rate of 10% per year, the future value is:

The account will be worth $400,897.66 when you retire.