Question

The number of bacteria in a petri dish is 524 and growing at a rate of 7% every month. How many bacteria will there be in 7 months? Enter your answer, rounded to the nearest whole number, in the box.

Answer 1

A = P.e^(r.t), where P is the initial population, r = rate of growth , 
t = interval of time & e = 2.7182...

A = 524(2.7182...)^(0.07x7) = 855.33 ≈ 856