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26 September, 18:22

The number of bacteria in a petri dish is multiplied by a factor of 1.2 every hour. There were initially 500

bacteria.

Which expression gives the number of bacteria after 3 hours?

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Answers (2)
  1. 26 September, 18:39
    0
    Answer: its 500.1.2.1.2.1.2

    Step-by-step explanation: I got it
  2. 26 September, 19:48
    0
    (1.2*3) 500

    Step-by-step explanation:

    the 1.2 factor will be multiplied by the hours given then times that by the starting amount of bacteria.
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