Question #N339
A researcher is studying the growth of a particular type of bacteria. The researcher finds that the number of bacteria doubles every 3 hours. If there are 100 bacteria at the start of the experiment, how many bacteria will there be after 12 hours?
A. 400
B. 800
C. 1600
D. 3200
Correct Answer is: C
Since the bacteria doubles every 3 hours, after 12 hours they will have doubled 4 times. This can be represented as 100 * 2 * 2 * 2 * 2 = 100 * 16 = 1600 bacteria.