Dorian deposits $3,000 in an account that pays 5.7%  interest and is compounded continuously. How much money will he have after 17 years?

How much money will there be in an account at the end of 4 years if $3000 is deposited at a 6.5% annual rate that is compounded continuously? (Assume no withdrawals are made.) The amount after 4 years will be$ . (Round to the nearest cent.)

You invest $5000 in an account which pays interest compounded continuously. How much money is in the account after 8 years, if the annual interest rate is 2 %? Round your answer to two decimal places. The balance is about $ If you want the account to contain $ 9000 after 8 years, what yearly interest rate is needed? Round your answer to one decimal place. The rate required is about %.