Question

A bacteria culture begins with 15 bacteria which double in amount every hour. How many bacteria exist in the culture at the 13th hour?

61,440

782,580

7,971,615

23,914,845

Answer 1

@D3xt3R @FriedRice

Answer 2

\[P(t)=B*2^{t-1}\]\[P(t)=15*2^{t-1}\]\[P(13)=15*2^{13-1}\]\[P(13)=15*2^{12}\]\[\boxed{P(13)=61440}\]

Answer 3

thank you so much