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14 March, 09:48

A type of bacterium triples in population every hour. Assuming you start with

90 bacteria, the formula that models the number of bacteria at the beginning

of hour nis:

a (n) = 90.3n-1

How many bacteria will there be at the beginning of hour 5?

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Answers (1)
  1. 14 March, 13:41
    0
    7290

    Step-by-step explanation:

    Put 5 in the formula and evaluate.

    a (5) = 90·3^ (5-1) = 90·81 = 7290

    There will be 7290 bacteria at the beginning of hour 5.
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