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WAEC Mathematics 2005 Question 1

Question 1

Fractions, Decimals and Approximation

Correct 0.04945 to two significant figures.

  1. A.0.040
  2. B.0.049
  3. C.0.050
  4. D.0.49
Show the answer and explanation

Answer: B (0.049)

Explanation

The first two significant figures are 4 and 9; the next digit is 4, so round down: 0.049.