As per the given information;
Bacteria triples every month.
Originally, there were 4 bacterial cells.
We are suppose to find how many there will be after 15 months.
Hence we can say , the number of bacteria after n month can be given using the exponential growth function

So number of bacteria after 15 month will be

I need the answer To what
Find answer is the given attachment
Answer:
1 cubic foot
Step-by-step explanation:
1*1*1 = 1