Evaluate log 10 5 log 10 20 - WAEC Mathematics 2001 Question
Evaluate (log_{10}5 + log_{10}20)
A
2
B
3
C
4
D
5
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Correct Option: A
(log_{10}5 + log_{10}20<br /> log_{10}[5\times 20]<br /> log_{10}100<br /> log_{10}10^2<br /> 2log_{10}10=2)
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