please please answer all!):

(Related to Checkpoint 5.5) (Solving for n ) How many years will it take for $480 to grow to $1,062.76 if it's invested at 10 percent compounded annually? The number of years it will take for $480 to grow to $1,062.76 at 10 percent compounded annually is years. (Round to one decimal place.) (Related to Checkpoint 5.6) (Solving for i ) At what annual interest rate, compounded annually, would $510 have to be invested for it to grow to $1,901.77 in 12 years? The annual interest rate, compounded annually, at which $510 must be invested for it to grow to $1,901.77 in 12 years is \%. (Round to two decimal places.) (Related to Checkpoint 5.4) (Present value) What is the present value of $900 to be received 8 years from now discounted back to the present at 8 percent? The present value of $900 to be received 8 years from now discounted back to the present at 8 percent is $. (Round to the nearest cent.)