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WAEC Mathematics 2014 Question 34

Question 34

Fractions, Decimals and Approximation

Approximate 0.0033780 to 3 significant figures.

  1. A.338
  2. B.0.338
  3. C.0.00338
  4. D.0.003
Show the answer and explanation

Answer: C (0.00338)

Explanation

The significant figures start at 3: 3, 3, 7, and the next digit 8 rounds the 7 up, giving 0.00338.