SOLUTION: If log 7 = a, find the value of log 490 in terms of a

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Question 844837: If log 7 = a, find the value of log 490 in terms of a
Answer by lwsshak3(11628) About Me  (Show Source):
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If log 7 = a, find the value of log 490 in terms of a
log490=log(7^2*10)=2log7+log10=2a+1