August 29th, 2018, 12:11 AM  #1 
Member Joined: Aug 2018 From: Nigeria Posts: 73 Thanks: 2  Logarithm
Given log2=0.69, log3=1.10 and log7=1.90, all to a fixed base, find log10.5 without using table.
Last edited by skipjack; August 29th, 2018 at 04:32 AM. 
August 29th, 2018, 04:30 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,919 Thanks: 2203 
log(10.5) = log(7×3/2) = log(7) + log(3)  log(2)


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