WAEC Mathematics 2000 Question 2

Question 2

Fractions, Decimals and Approximation

Express 398753 correct to three significant figures.

  1. A.398000
  2. B.398700
  3. C.398800
  4. D.399000
Show the answer and explanation

Answer: D (399000)

Explanation

Keep 3, 9, 8; the next digit is 7, so round up: 399000.