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WAEC Mathematics 1999 Question 34

Question 34

Fractions, Decimals and Approximation

Simplify 3.72 × 0.025 and express your answer in the standard form.

  1. A.9.3 × 103
  2. B.9.3 × 102
  3. C.9.3 × 10−2
  4. D.9.3 × 10−3
Show the answer and explanation

Answer: C (9.3 × 10−2)

Explanation

3.72 × 0.025 = 0.093 = 9.3 × 10−2.