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16 May, 02:38

A bacteria population is initially 320. After 45 minutes, they've grown in number to 700. What is the doubling time for this population? Round to the nearest second. answer choices 39 minutes 41 seconds 39 minutes 31 seconds 39 minutes 21 seconds 39 minutes 51 seconds

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  1. 16 May, 04:54
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    Answer: 39 minutes 51 seconds

    Step-by-step explanation:

    Nt=N0 * 2^n

    N0=Initial population

    n=number of times bacteria divide

    700=320*2^n

    log2 (700/320) = 1.129283017=n

    45/1.129283017=39.84829252 minutes

    0.84829252*60=50.89755135≈51seconds

    so the answer is

    39minutes and 51seconds
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