A bacteria population doubles every 2 hours. Starting with 100 bacteria, how many will there be after 6 hours?
Answer
800 bacteria
How to solve it
1
Start: 100
2
After 2 hours: 200
3
After 4 hours: 400
4
After 6 hours: 800
Hints
6 hours = 3 doubling periods
Double 3 times