SOLUTION: Use the definition of logarithm to simplify each expression. (a)log10 10 1 (b) log10 100 2 (c) log10 10−4 3

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Question 940439: Use the definition of logarithm to simplify each expression.
(a)log10 10
1
(b) log10 100
2
(c) log10 10−4
3
Found 2 solutions by Alan3354, laoman:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use the definition of logarithm to simplify each expression.
(a) log10 10
1
(b) log10 100
2
(c) log10 10−4
3 ***
If you mean 10%5E-4 it's
= -4

Answer by laoman(51) About Me  (Show Source):
You can put this solution on YOUR website!
1)Log10 base10 = 1
2)Log10 base 100 = log10 10^2 = 2*log 10 10 = 2*1= 2
3)Log10 10^-4 = -4* log10 10 = -4
QED