SOLUTION: if log2=.85, log5=.95 and log7=1.25 find the value of this: log √35

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: if log2=.85, log5=.95 and log7=1.25 find the value of this: log √35      Log On


   

Question 2124: if log2=.85, log5=.95 and log7=1.25 find the value of this:
log √35
Answer by sehar(13) About Me  (Show Source):
You can put this solution on YOUR website!
here, sqrt35
log has a property,
log(axb)=log a + log b
so,
log sqrt35=log sqrt(7x5)
=log sqrt 7+log sqrt 5
=0.4222 +0.349
=0.777
which is the answer