Question

Write \(log_8~3\) as a logarithm of base 5...?

Answer 1

@mathstudent55 explain? :)

Answer 2

use the change of base formula, its been a long time since ive had to use it so i don't know how much help i can be past that, but you can google it.

Answer 3

heres a good site: http://www.sosmath.com/algebra/logs/log4/log43/log43.html

Answer 4

i need someone to explain it..i dont get how to do it and google isnt helping its only causing more confusion..

Answer 5

that didnt help :\

Answer 6

@ChmE

Answer 7

@jim_thompson5910

Answer 8

Similar Example:


\[\Large \log_{7}(14) = \frac{\log_{5}(14)}{\log_{5}(7)}\]


Since in general \[\Large \log_{b}(x) = \frac{\log_{y}(x)}{\log_{y}(b)}\]


for any positive real number y.

Answer 9

so it would be log8(3)=\[\frac{ \log5(3) }{ \log5(8)}\] can you take it from there?

Answer 10

OHHH....thank you soo much