Escherichia coli is a bacteria that can cause food poisoning if people eat contaminated food or drink. In the laboratory, Escherichia coli can triple every hour. If the bacteria
count in a sample contaminated water is found to be 50 after the first hour, how long will
it be until the count exceeds 100 000? Express your answer in hours. Use the explicit
formula for your solution. Express your answer to two decimal places