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WAEC Mathematics 1988 Question 16

Question 16

Indices

Simplify (27⅓)2

  1. A.4½
  2. B.6
  3. C.9
  4. D.18
  5. E.81
Show the answer and explanation

Answer: C (9)

Explanation

27⅓ = 3 (the cube root of 27), and 32 = 9.