Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.log19  

A. log19 10 +  log19 m - log19 n
B. log19 10 ?  ÷ log19 n
C. log19 n - log19 10 -  log19 m
D. log19 10 +  - log19 n

Answer: A

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