If log102 = 0.3010 and log103 = 0.4771, evaluate; without using logarithm tables, log104.5

Assessment: JAMB UTME - Mathematics - 1988 Subject: General Mathematics

Question 1 Report

If log102 = 0.3010 and log103 = 0.4771, evaluate; without using logarithm tables, log104.5
Answer Details
If log102 = 0.3010 and log103 = 0.4771,
log104.5 = log10  ( 3 × 3 ) 2
log103 + log103 - log102 = 0.4771 + 0.4771 - 0.0310
= 0.6532

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