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27 January, 14:03

A particular strain of bacteria triples in population every 45 minutes.

Assuming you start with 50 bacteria in a petri dish, how many bacteria will

there be in 4.5 hours?

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  1. 27 January, 16:12
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    Answer - there are 6 45 minute segments in 4.5 hours. Therefore, you would need to triple the population six times.

    50x3=150

    150x3=450

    450x3=1350

    1350x3=4050

    4050x3=12150

    12150x3=36450

    Therefore, if the population triples every 45 minutes from 50 for 4.5 hours, you would end up with 36,450 bacteria
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