I just can't figure these out!!!! PLEASE HELP!!!!?

Question

I just can't figure these out!!!! PLEASE HELP!!!!?

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?

Answer 1

A/P=2
the question is how many times you have to multiply 1.0564 to get 2
i am not able to solve it finnaly ,hope it is useful to you