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Math Help - [SOLVED] Help on Finding Annual Percent Growth?

  1. #1
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    [SOLVED] Help on Finding Annual Percent Growth?

    I need help finding the annual percent growth. Here are the questions:

    (a)What is the continuous percent growth rate for the function P=10e^0.14t?
    (b)Write this function in the form P=P(base 0)a^t to answer the next question. what is the annual (not continuous) percent growth rate for this function?

    My answers (in bold/underline) so far:
    (a)The continuous growth rate is 14%
    (b)The annual percent growth rate is ???%. (Round the answer to 1 decimal place.)

    Any help is appreciated! This problem has been frustrating for me.
    Last edited by bpdude; September 5th 2009 at 03:27 PM. Reason: forgot that "0.14t" was written as a power of e
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  2. #2
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    Never mind, I Found it

    Found it. I believe it was 15%. However I also have another question, and (if it's okay with the Mods) I'll go ahead and post it here:

    One of the main contaminants of a nuclear accident, such as that at Chernobyl, is strontium-90, which decays exponentially at a rate of approximately 2.5% per year.

    (a) Write the percent of strontium-90 remaining, P, as a function of years, t, since the nuclear accident. [Hint: 100% of the contaminant remains at t=0].

    Answer space:
    (a) P(t)= {blank}

    If anyone might need the rest of the question, please say so!
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  3. #3
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    Exclamation Hello?

    Does no one have an answer for this? It's driving me CRAZY!!!
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