Question

A scientist performed an experiment and found that particular bacteria doubled every hour. If the culture started out with 1,000 bacteria at 9 AM, how many bacteria were there at 1 PM?
Select one:
a. 2,000
b. 4,000
c. 8,000
d. 16,000

Answer 1

at 9am the population is 1000
it doubles every hour so 4 hours later at 1pm the population is 16,000

Answer 2

At 9 a.m, the no of bacteria were 1,000.
If the bacteria doubled in number every hour, after 4 hours(i.e. at 1p.m.), the no of bacteria would be 16,000.

Answer 3

Thanks Hun :3