JAMB Mathematics 1994 Question 2

Question 2

Fractions, Decimals and Approximation

Evaluate (0.36 × 5.4 × 0.63)/(4.2 × 9.0 × 2.4) correct to 2 significant figures.

  1. A.0.013
  2. B.0.014
  3. C.0.13
  4. D.0.14
Show the answer and explanation

Answer: B (0.014)

Explanation

The top is 1.22472 and the bottom is 90.72, giving 0.0135. Rounded to 2 significant figures this is 0.014.