Question on: JAMB Mathematics - 1993
Solve without using tables log5(62.5) - log5((\frac{1}{2}))
A
3
B
4
C
5
D
8
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Correct Option: A
log5(62.5) - log5((\frac{1}{2}))
= log5(\frac{(62.5)}{\frac{1}{2}}) - log5(2 x 62.5)
= log5(125)
= log553 - 3log55
= 3
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