OAU Post-UTME Mathematics 2021 (Batch B) Question 19

Question 19

Logarithms

Evaluate 645/3 + log2128 + log5125

  1. A.1024
  2. B.1034
  3. C.1000
  4. D.528
Show the answer and explanation

Answer: B (1034)

Explanation

645/3 = 45 = 1024, log2128 = 7 and log5125 = 3. Total 1034.