Mike has a savings account with the bank. The bank pays him annual interest of 1.5%. He has $3,400 and wonders how much he will have in the account in 4 years. Enter an exponential function to model the situation and then find how much he will have. Use t for time in years. If necessary round your answer the the nearest cent.
S(t) = ___ (___)^----
After 4 years Mike will have approximately _____ dollars.