Question: A certain bacteria doubles every 4 hours. Initially, there were 1 2 0 0 bacteria. a . Find a model for the bacteria after t

A certain bacteria doubles every 4 hours. Initially, there were 1200 bacteria.
a. Find a model for the bacteria after t hours. n(t)= no 2t/a
b. How many bacteria after 15 hours?
c. After how many hours will the bacteria reach 8400?

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