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WAEC Mathematics 2014 Question 45

Question 45

Logarithms

If log 5.957 = 0.7750, find log ∛0.0005957.

  1. A.4̄.1986
  2. B.2̄.9250
  3. C.1̄.5917
  4. D.1̄.2853
Show the answer and explanation

Answer: B (2̄.9250)

Explanation

log 0.0005957 = 4̄.7750 = −3.225. Divide by 3: −1.075 = 2̄.9250.