WAEC Mathematics 2021 Question 1

Question 1

Fractions, Decimals and Approximation

Correct, 0.00798516 to three significant figures.

  1. A.0.0109
  2. B.0.0800
  3. C.0.00799
  4. D.0.008
Show the answer and explanation

Answer: C (0.00799)

Explanation

The first three significant figures are 7, 9, 8 and the next digit is 5, so round up: 0.00799.