Bacterial populations can grow to enormous numbers in a matter of a few hours with the right conditions. If a bacterial colony doubles size every 15 minutes, how many bacteria will be present after 1 hour if the colony began with 4 bacteria?

Answer 1

4, 16, 32, 64, 128

Answer 2

4*2^n
n = 4 quarters of and hour
2^4 = 16
so
4*16 = 64

Answer 3

ah
4 8 16 32 64

Answer 4

Ooops!

Thanks, Damon. :-)

Answer 5

Thanks so much. Since my school has homework warnings, you saved me from a homework warning and from causing my grade to go down.