If log10 10 2 = 0.3010 and log10 10 3 = 0.4771, eventually without using the logarithm tables, log10 10 4.5

Assessment: JAMB UTME - Mathematics - 2020 Subject: General Mathematics

Question 1 Report

If log $_{10}$ 2 = 0.3010 and log $_{10}$ 3 = 0.4771, eventually without using the logarithm tables, log $_{10}$ 4.5

0.3010

0.4771

0.6532

0.9542

Answer Details

log $_{10}$ 2 = 0.3010 and log $_{10}$ 3 = 04771

log $_{10} 4.5 = l o g_{10}$ ( $\frac{3 \times 3}{2}$ )

log $_{10}$ 3 + log $_{10}$ 3 - log $_{10}$ 2 = 0.4471 + 0.771 - 0.3010

= 0.6532

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