Need help on #21 please

Answer:
A = 5553.55
Step-by-step explanation:
Continuous interest is given by
A = P e^ (rt)
Where A is the amount in the account
P is the principal =5000
r is the rate in decimal form = 3.5% = .035
t is the time in years = 3
A = 5000 e^(.035 *3)
A = 5553.55