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WAEC Mathematics 1993 Question 25

Question 25

Fractions, Decimals and Approximation

Simplify 2.25/0.015 leaving your answer in standard form.

  1. A.1.5 × 10−4
  2. B.1.5 × 10−2
  3. C.1.5 × 10−3
  4. D.1.5 × 101
  5. E.1.5 × 102
Show the answer and explanation

Answer: E (1.5 × 102)

Explanation

2.25 ÷ 0.015 = 2250 ÷ 15 = 150 = 1.5 × 102.