Question

a colony of bacteria is growing exponentially according to the function below, where t is in hours. how many hours will it take for the population to grow to 200? B(t)=4*e^0.8t

Answer 1

haha this sum exactly i solved 4 years back :P

Answer 2

4.89..

Answer 3

take b(t) as 200 and solve for the value of t... by applying ln on both sides...

Answer 4

\[4 \times e^{{0.8} \times {t}} = 200\]