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JAMB Mathematics 1980 Question 13

Question 13

Fractions, Decimals and Approximation

Write down the number 0.0052048 correct to three significant figures.

  1. A.0.005
  2. B.0.0052
  3. C.0.00520
  4. D.5.2048
  5. E.5204.
Show the answer and explanation

Answer: C (0.00520)

Explanation

The first significant figure is 5; keeping three (5, 2, 0) and rounding the next digit 4 down gives 0.00520.