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Errors and Measurements: Significant Figures MCQ

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Significant FiguresEasyQuestion 30106

Question

How many significant figures are in the number 0.00720?
  1. A
    2
  2. B
    3
    Correct
  3. C
    4
  4. D
    5

Correct answer

3

Explanation

Leading zeros are not significant. 7, 2, and the trailing 0 after the decimal point are significant — giving 3 significant figures.

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