35. Hannah invests $2100 in an account earning interest compounded continuously. If she would like to have $4750 at the end of eight years, what interest rate will be needed? Round the final answer to the tenths place. 36. Emma wants to double an investment she places in an account earning 9.76% interest compounded quarterly. How long will she have to leave her money in the account? Round to the tenths place. 37. A bacteria culture contains 100 members initially. Three months later, there are 400 members. Determine the number of bacteria to the nearest tenth after 14 months