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Math Help - Bacterial growth

  1. #1
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    Bacterial growth

    My tutor is growing some bacteria in a labratory, and hes starting off with 150 micrograms on 12 pm today; we know that every hour the mass of the bacteria will increase by 15%. So my tutor asks how long will it take for the mass too reach 3 grams.

    Bu thats not the question, the question is what level of precision is appropriate and why?
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  2. #2
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    Re: Bacterial growth

    Quote Originally Posted by maddie12131 View Post
    My tutor is growing some bacteria in a labratory, and hes starting off with 150 micrograms on 12 pm today; we know that every hour the mass of the bacteria will increase by 15%. So my tutor asks how long will it take for the mass too reach 3 grams.

    Bu thats not the question, the question is what level of precision is appropriate and why?
    Each of the given measurements has two significant figures (150 is "ambiguous" but the others are clear). The appropriate level of precision is two significant figure.
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  3. #3
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    Re: Bacterial growth

    Thank you very much
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