Answer:
It will be worth $280.51.
Explanation:
The compound interest formula is given by:

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per years and t is the time the money is invested or borrowed for, in years.
In this problem:
We want to find A, when




It will be worth $280.51.