Question 756438
Your formula: N(t) = 2500* (2.4)^(t/12)
In an hour (60 mins) the formula will become:-
 N(t) = 2500* (2.4)^(60/12)
  N(t) = 2500* (2.4)^(5)
  N(t) = 199066 bacteria
Hope this helps.
:-)