homework

The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of
3.9%
per hour. How many hours does it take for the size of the sample to double?

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  1. What is the School Subject? If you want help with your homework, this question seems not to require a social studies or English tutor. Is this biology, math, or what is your subject?

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  2. it will take t hours, where

    1.039^t = 2

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  3. and if you are unfamiliar with log equations, take the log of each side..
    t*log1.039=log2
    t= log(2)/log(1.030
    and put this into your google search window
    log(2)/log(1.030) =
    and it is about 23 hours...

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    bobpursley

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