A person may develop symptoms of food poisoning if the number of bacteria of this
strain in the stomach is > 1X10*4
A single bacterium of this strain can reproduce itself every 20 minutes in optimum
conditions.
A piece of food is contaminated with 200 bacteria of this strain.
The food is left at room temperature for 2 hours.
(a)Calculate the number of bacteria on the food after 2 hours. Show your
working