SOLUTION: How do I change 9^(x-1) to base e?
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Question 1050558: How do I change 9^(x-1) to base e?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let
Equation 1: 
Take the natural log of both sides
\ =\ \ln\left(9^{x\,-\,1}\right))
Use \ =\ n\log_b(a))
\ =\ \ln\left(9^{x\,-\,1}\right))
Use \ =\ 1)
)
Now just substitute for 
in Equation 1.
})
or you could also write it as
\ln\left(9^\right)})
depending on which makes any subsequent calculations simpler.
John
My calculator said it, I believe it, that settles it
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