log mathamatics?

Posted by admin
cc rider asked:


3200 = 5700(0.6)^t
You can take log of both sides
log 3200 = log5700 + t*log0.6 This is a linear equation in t
so t= 1.130161327 with the simplest scientific calculator

can you please demostrate how to get this number using TI-83

Ruby

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    3 Responses to “log mathamatics?”

    1. ironduke8159 Says:
      April 10th, 2008 at 4:09 am

      Type (log(32/57))/log(.6)

    2. Niel Says:
      April 11th, 2008 at 7:29 am

      the same way you got it before the lgo button is in the left hand column

    3. Graziela Says:
      April 13th, 2008 at 9:13 am

      there should be a log button on the bottom of the calculator…three up of the On button…just do the equation the way you did it…

      put in the calculator…log(3200) - log(5700) and then you would divide by log(0.6) make sure you divide AFTER you substract…hope this helps…