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WAEC Mathematics 2016 Question 35

Question 35

Fractions, Decimals and Approximation

Express 1975 correct to 2 significant figures.

  1. A.20
  2. B.1,900
  3. C.1,980
  4. D.2,000
Show the answer and explanation

Answer: D (2,000)

Explanation

The third figure is 7, so 19 rounds up to 20 hundreds: 1975 ≈ 2,000.