SOLUTION: Fill in the missing values to make the equations true. (a) log(sub9)10 + log(sub9)7 = log(sub9)[?] (b) log(sub4)11 - log(sub4)[?] = log(sub4)11/5 (c) 2log(sub3)2 = log(sub

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Question 1037785: Fill in the missing values to make the equations true.
(a) log(sub9)10 + log(sub9)7 = log(sub9)[?]
(b) log(sub4)11 - log(sub4)[?] = log(sub4)11/5
(c) 2log(sub3)2 = log(sub3) [?]

Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
(a) log(sub9)10 + log(sub9)7 = log(sub9)[?]
Adding logs --> multiplication
===========================
(b) log(sub4)11 - log(sub4)[?] = log(sub4)11/5
log(11) - log(11/5) = log(?)
Subtracting logs --> division
===========================
(c) 2log(2) = log(2) + log(2)
Adding logs --> multiplication

Answer by ikleyn(52858)   (Show Source): You can put this solution on YOUR website!
.
For properties of logarithm, see the lessons
    - WHAT IS the logarithm
    - Properties of the logarithm
    - Change of Base Formula for logarithms
in this site.


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