MAC 1105 5.4 Properties of Logarithms log a a 1 log a a x x log a 1 0 aloga x x log a (MN ) log a M log a N M log a N log a M log a N log a M p p log a M change-of-base formula: log a M logb M logb a Express in terms of sums and differences of logarithms. Use all possible properties (except change of base) to obtain the final form. 1) 8) √ 9) √ 5) 2) ( ) 3) 4) log (0.0001) 6) ( ) 7) √ Express as a single logarithm and, if possible, simplify. 10) 11) √ 12) 13) 14) Given that log a (2) 0.301 , log a (3) 0.477 , log a (7) 0.845 , find each of the following, if possible. Round your answer to the nearest thousandth, if necessary. 15) ( ) 16) 17) Simplify. 20) 18) 19)
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