Posted by Shawn on Monday, December 1, 2008 at 9:46am.
If loga 8=2.079, loga 5=1.609, and loga 3=1.099, find the following?
19.) loga 8/3 is this 1.89?
20.) loga 24 Not sure
21.) loga 25 not sure how to do this

Algebra help  Reiny, Monday, December 1, 2008 at 9:56am
make use of your main "log rules"
log (8/3) = log 8  log 3 = 2.079  1.099
= 0.98
log 24 = log (3x8) = log 3 + log 8
= ....
log 25 = log 5^2
= 2 log 5
= ...

Algebra help  Shawn, Monday, December 1, 2008 at 10:12am
Okay I got it
log (8/3) = log 8  log 3 = 2.079  1.099
= 0.98
log 24 = log (3x8) = log 3 + log 8
= 3.688
log 25 = log 5^2
= 2 log 5
= 2.138
Answer This Question
Related Questions
 math/calculus  solve the equation loga(x5) loga (x+9)=loga(x7)loga(x+9) all...
 mathplease help,need quickly  loga(x5)loga(x+9)=loga(x7)loga(x+9) all the ...
 Math Algebra 2  #4. Express the logarithm in terms of log2M and log2N: log2 1/...
 math trouble  I have 2 problems I need help with using either substitution or ...
 Math  Properties of Logarithm  Can someone show how to this question. Loga(x+3...
 HELP!  I have no idea what the answer to this problem is, I'm given choices but...
 Math  Which of the following is not a property of logarithms? A. log(A  B) = ...
 algebra  express as an equivalant expression that is a single logarithmic and ...
 Math  Solve the logarithmic equation. Please show all of your work. Loga(x+4...
 Algebra  1. Solve log(4/x) (x^2  6) = 2. (note: the (4/x) is underscored) 2. ...
More Related Questions