If log 27 = 1.431, then the value of log 9 is: Choose the correct answer.
A) 0.954  B) 2.35  C) 3.68  D) 9.87  E) 4.25
Explanation:   log 27 = 1.431   log (33 ) = 1.431   3 log 3 = 1.431   log 3 = 0.477   log 9 = log(32 ) = 2 log 3 = (2 x 0.477) = 0.954.   answer 0.954
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If log 27 = 1.431, then the value of log 9 is: