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24 February, 17:09

A colony of bacteria is growing exponentially according to the function below, where t is in hours. How many bacteria are there after 8 hours? Round to the nearest integer and do not include units in your answer. B (t) = 4 e0.8t

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  1. 24 February, 17:47
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    To be able to determine the number of bacteria after 8 hours, substitute 8 for all the t's in the given function.

    B (t) = 4 x e^0.8t

    B (8) = 4 x e^ (0.8) (8)

    The numerical value of B (8) is 2407.38. Therefore, there are approximately 2407 bacteria.
  2. 24 February, 18:30
    0
    The growth of the bacteria is expressed as:

    B (t) = 4 e^0.8t

    where t is the time in units of hours. If the bacteria is allowed to grow for 8 hours then the number of bacteria present would be,

    B (t) = 4 e^0.8 (8)

    B (t) = 2407
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