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How do you solve for n in this question 34=r^n

  • Thread starter yourmom98
  • Start date
  • #1
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how do you solve for n in this question
34=r^n

i know what the r value is


man i should know this
 
Last edited:

Answers and Replies

  • #2
Fermat
Homework Helper
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take logs
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  • #3
HallsofIvy
Science Advisor
Homework Helper
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In general the way to "move" a number out of an exponent is to use the inverse of exponential: logarithm. If rn= 34, then n log(r)= log(34) so n= log(34)/log(r). It doesn't matter what logarithme you use: common (base 10) or natural (base e) are on your calculator but any base will do.
 
  • #4
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logs: they're better than bad; they're good! :tongue2:
 

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