I need help solving 31-32-33

Question 31. Version 1*/1. Score: 0/2 Given f(t) = 399(1.16) where't' is in years, what is the annual rate? Annual Rate as a percentage is = What is the continuous annual % rate? HINT: First Convert the equation f(t) = ab to the form f(t) = 399ek and use the k - value to determine your answer. Write the answer as a percentage accurate to three decimal places. Continuous Annual Percentage Rate is = Score: N/A/1 N/A/1 Had help available: Video [7 Post to forum Question 32. Version 1* /1. Score: 0/4 The PH scale for acidity is defined by PH = - log10 [H + ] where [H ] is the concentration of hydrogen ions measured in moles per liter (M). A solution has a pl of 5.9. Calculate the concentration of hydrogen ions in moles per liter (M). The concentration of hydrogen ions is moles per liter. Score N/A/4 Had help available: Video FX Post to forum Question 33. Version 1*/1. Score: 0/4 5000 dollars is invested in a bank account at an interest rate of 6 percent per year, compounded continuously. Meanwhile, 24000 dollars is invested in a bank account at an interest rate of 2 percent compounded annually. To the nearest year, When will the two accounts have the same balance? The two accounts will have the same balance after years . APR