A scientist began a study with a sample of 1,500 bacteriaHe noticed that the number of bacteria in the sample after t days can be modeled by the equation P = 1, 500 * 5 ^ t In this equation, what does 5 ^ t represent?
a.The number of bacteria increases by 5 bacteria each day.
B. The number of bacteria increases by a factor of t each day for 5 days.
C.The number of bacteria increases by a factor of 5 each day.
D.The number of bacteria increases by t bacteria after 5 days.