natural disaster   3 videos

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  Common and Natural Logarithms

  Precalculus Exponential and Logarithmic Functions

  How to define natural and common logs.

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  The Number e and the Natural Logarithm

  Precalculus Exponential and Logarithmic Functions

  How the number e is defined.

  exponential functions graphing exponential functions tangent lines the definition of e
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  Exponential Growth and Decay

  Precalculus Exponential and Logarithmic Functions

  How to find the doubling time of a population when the growth rate is given.

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