Muriel opened a savings account with an annual interest rate of 9% and an initial deposit of $4000. if her interest is compounded quarterly, how much is in her account after 6 years? round your answer to the nearest cent. interest compounded quarterly

The answer is    approximately  $6823.07 after 6 years.======formula for compound interest:     with initial amount/principle , final amount  ,  is annual interest rate,  the number of compounds per year, and  is the time elapsed in years.we are told that this is compounded quarterly. this means 4 times a year, so n = 4    annual interest rate is 9%, so r = 0.09initial deposit is $4000, so p = 40006 years have elapsed, so t = 6    use a calculator to find the final value after 6 years:     approximately  $6823.07 after 6 years.