WAEC - Mathematics (1990 - No. 6)

Evaluate using the logarithm table, log(0.65)²

1.6258

0.6272

0.6258

3.6258

1.6272

Paliwanag

log(0.65)² = 2log(0.65) but log0.65 = 1.8129
∴2 x 1.8129 = 3.6258

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