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WAEC Mathematics 1994 Question 3

Question 3

Fractions, Decimals and Approximation

Express 8.75/0.025 in standard form.

  1. A.3.5 × 10-3
  2. B.3.5 × 10-2
  3. C.3.5 × 101
  4. D.3.5 × 102
  5. E.3.5 × 103
Show the answer and explanation

Answer: D (3.5 × 102)

Explanation

8.75 ÷ 0.025 = 8750 ÷ 25 = 350, and 350 = 3.5 × 10².