WAEC Mathematics 1988 Question 3

Question 3

Indices

Simplify 36½ × 64−⅓ × 50

  1. A.0
  2. B.1/24
  3. C.2/3
  4. D.1½
  5. E.7½
Show the answer and explanation

Answer: D (1½)

Explanation

36½ = 6, 64−⅓ = 1/4 and 50 = 1, so the product is 6 × 1/4 × 1 = 1½.