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pre calculus

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Change the exponentioanl expression to an equivalent expression involving a logarithm. e^-1/3 = 9t
Somebody help PLease!

  • pre calculus -

    take the natural log (ln ) of each side.

    -1/3=ln(9t)

  • pre calculus -

    I can't believe it's that simple, I have been going crazy! Thank you!

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