passwella.
Menu

WAEC Mathematics 1991 (August) Question 6

Question 6

Logarithms

Find the number whose logarithm to base 10 is 2.6025

  1. A.400.4
  2. B.0.4004
  3. C.0.04004
  4. D.0.004004
  5. E.0.0004004
Show the answer and explanation

Answer: A (400.4)

Explanation

Antilog of 0.6025 is 4.004; the characteristic 2 means 3 digits before the point: 400.4.