16 Complete the table assuming continuously compounded interest. (Round your answers to two decimal places, no commas.) Initial Investment Answer Annual % Rate Time to Double Amount After 10 Years 6.7% Answer $15,000 Question 17 Complete the table assuming continuously compounded interest. (Round your answers to two decimal places, no commas.) Initial Investment Answer Annual % Rate Answer % Time to Double Amount After 10 Years 11 yr $2200 Question 18 Determine the principal P that must be invested at rate r = 6%, compounded monthly, so that $500,000 will be available for retirement in t = 15 years. (Round your answer to the nearest cent, no commas) Answer Question 19 Determine the principal P that must be invested at rate r = 3.5%, compounded monthly, so that $700,000 will be available for retirement in t = 15 years. (Round your answer to the nearest cent, no commas) Answer Question 20 Determine the principal P that must be invested at rate r = 3.5%, compounded monthly, so that $600,000 will be available for retirement in t = 16 years. (round your answer to the nearest cent, no commas) Answer Question 21 Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.) r = 11% a) annually Answer b) monthly Answer c) daily Answer d) continuously Answer Question 22 Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.) r = 6.7% a) annually Answer b) monthly Answer c) daily Answer d) continuously Answer Question 23 Complete the table for the time t (in years) necessary for P dollars to triple when interest is compounded continuously and annually at rate r. (Round your answers to two decimal places.) (a) continuously r 2% 4% 6% 8% 10% 12% Answer Answer Answer Answer Answer Answer t (b) annually r t 2% 4% 6% 8% 10% 12% Answer Answer Answer Answer Answer Answer Question 24 Examine the table containing data for the time t (in years) necessary for P dollars to triple when interest is compounded continuously at rate r. r t 3% 36.62 5% 21.97 7% 15.69 Draw a scatter plot of the data in the table. Select one: a. b. 9% 12.21 c. d. Question 25 Examine the table containing data for the time t (in years) necessary for P dollars to triple when interest is compoundedcontinuously at rate r. r t 3% 36.62 5% 21.97 7% 15.69 9% 12.21 Use the power regression feature of a graphing utility to find a model for the data. (Round all numerical values to three decimal places.) t =