UI Post-UTME Mathematics 2013 Question 16

Question 16

Logarithms

Simplify log0.258

  1. A.−3/2
  2. B.3/2
  3. C.2/3
  4. D.−2/3
Show the answer and explanation

Answer: A (−3/2)

Explanation

0.25 = 2⁻² and 8 = 2³, so log₀.₂₅8 = 3/(−2) = −3/2.