When interest is compounded continuously, the balance in an account after t years is given by
A = Pert,
where P is the initial investment and r is the interest rate.
1. Maya has deposited $600 in an account that pays 5.64% interest, compounded continuously. How long will it take for her money to double?
2. Suppose that $2000 is invested at a rate of 6% per year compounded continuously. What is the balance after 1 yr? After 2 yrs?