Helppp? Modelling exponential growth and decay

1. The population of a town is currently 4000 and it is increasing at a rate of 3% per year.

(a). What is the growth rate

(b). Express the growth rate in months

(c). What is the population of the town after 5 years?

2. A bank pays 0.8% interest per month. What is the interest rate for one year(months-years)

3. Determine the monthly interest rate given the following annual interest rate(years-months)

36%