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MATHEMATICS

JAMB 2005 - Question 8

Mathematics 2005 JAMB Past Questions - Question 8: If Log102 = 0.3010 and Log103 = 0.4771, evaluate Log104.5

If Log102 = 0.3010 and Log103 = 0.4771, evaluate Log104.5

A: 0.9542

B: 0.6532

C: 0.4771

D: 0.3010

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Correct Answer

Explanation

Log102 = 0.3010 and Log103 = 0.4771Log104.5 = Log1041/2= Log109/2= Log109 - Log102= log1032 - Log102= 2Log103 - Log102= 2(0.4771) - 0.3010= 0.9542 - 0.3010= 0.6532