Significant Figures
Number 0.00560 has significant figures:
Select the correct option:
Solution
3
Rules for Significant Figures:
- Non-zero digits are always significant (5,6).
- Leading zeros are not significant (0.00 just indicates decimal position).
- Trailing zeros after a decimal point are significant as they indicate precision (0 after 6 is significant). Thus, 5,6, and the last 0 are the 3 significant figures.
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Number of significant figures in 0.0040700 is:
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About This Question
- Subject
- physics
- Chapter
- experimental skills and error analysis
- Topic
- significant figures
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
3
Rules for Significant Figures:
- Non-zero digits are always significant (5,6).
- Leading zeros are not significant (0.00 just indicates decimal position).
- Trailing zeros after a decimal point are significant as they indicate precision (0 after 6 is significant). Thus, 5,6, and the last 0 are the 3 significant figures.
This easy difficulty physics question is from the chapter experimental skills and error analysis, covering the topic of significant figures. It appeared in the 2025 exam.
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