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5 votes
A particular strain of bacterium has 20 bacteria in generation 1 and triples in

population every generation. The explicit formula for the number of bacteria
in generation n is:
a(n) = 20-3(n-1)
How many bacteria are in generation 9?
A. 480
B. 131,220
C. 6561
D. 393,660

1 Answer

3 votes
It would be D if I’m correct
User Vmenezes
by
6.5k points
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