WAEC Mathematics 2012 Question 1

Question 1

Fractions, Decimals and Approximation

Express 302.10495 correct to five significant figures.

  1. A.302.10
  2. B.302.11
  3. C.302.105
  4. D.302.1049
Show the answer and explanation

Answer: A (302.10)

Explanation

The first five significant figures are 3, 0, 2, 1, 0 and the next digit is 4, so round down: 302.10.