Math

[anagiotis567]

Can you help me find the solution to: 3 to the power of x is equal to 89.

[xnoobftw]

Apply lg both sides and do?

X should be 4.086

[Litargirio]

log(3)89 

 

put that into your calculator

[anagiotis567]

log(3)89 

 

put that into your calculator

that gives me 97.776

[shadowblitz3]

log₃(89)

[pspfreak]

math is hard.

[Litargirio]

that gives me 97.776

 

Well, that's not exactly... there, that's how it should be:

 

log₃(89)

[T.Vengeance]

@anagiotis567  To use your calculator so you can log₃(89), you need to use the change of base formula which states that

 

log_base(x) = log(x)/log(base)

 

log₃(89) = log(89)/log(3)

[T.Vengeance]

Apply lg both sides and do?

X should be 4.086

Oooh nvm what i said

[.spider.]

Maybe you should bookmark wolframalpha.com

http://www.wolframalpha.com/input/?i=3%5Ex%3D89

[LukaP]

depending on the accuracy you need, you either need to put in (as an answer) log₃89 or whatever the calculator throws up for that though