## fernando18 2 years ago 5^x=81.2

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1. tcarroll010

Take the natural log of both sides. Also,$\ln m ^{n} = (n)(\ln m)$

2. tcarroll010

Use that rule for the left side of the equation and substitute5 for m and x for n.

3. tcarroll010

How are you doing with this now, given the above instructional hint?

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6. seidi.yamauti

fo the exactly value of x you will need a calculator, by the way...

7. tcarroll010

Are you able to re-write the left-hand side now?

8. tcarroll010

If you show your work so far, I will be able to get an idea of where you are stuck.

9. precal

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