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JAMB Mathematics 2010 Question 7

Question 7

Indices

Evaluate (81/16)−¼ × 2−1.

  1. A.1/3
  2. B.6
  3. C.3
  4. D.1/6
Show the answer and explanation

Answer: A (1/3)

Explanation

(81/16)¼ = 3/2, so (81/16)−¼ = 2/3. Then 2/3 × ½ = 1/3.