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Question
If log 2 = 0.3010, log 3 = 0.4771 and log 5 = 0.6990, find the values of: log540
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Solution
log540
= log (22 x 33 x 5)
= log 22 + log 33 + log 5
= 2 log 2 + 3 log 3 + log 5
= (2 x 0.3010) + (3 x 0.4771) + 0.6990
= 2.7323.
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