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Rewrite the following expression using one or more properties of logarithms and evaluate without a calculator. log9 3 – log9 243

1 Answer

4 votes

Answer:

-2 .

Explanation:

log9 3 - log9 243

= log9 (3/243)

= log9 (1/81)

= -log9 81

= -2 ( as 9^2 = 81)

User Milad Rashidi
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