You purchased a bulk package of pre-cooked bacon and pepperoni, one of which has been contaminated with the deadly E-coli bacteria. When Peel Health and Safety arrived, they take samples and ask you not use the product. They determine this type of bacteria will double every 20 min a) If there are 2048 bacterium after 3 hours, how many were there initially? b) Determine an equation to model the number of bacteria. c) Use the equation to find the number of bacteria after 6 hours. d) The lab requires the culture to grow to about 536,870,912. Estimate how long that will take.