Significant Figures
Mediumchemistry
What is the result of (2.5 × 3.42) / 1.2 when expressed with correct significant figures?
Select the correct option:
Solution
Incorrect! Answer:
7.1
Rule for Multiplication/Division: The result should have the same number of significant figures as the term with the fewest significant figures.
- Analyze Input:
- 2.5 has 2 S.F.
- 3.42 has 3 S.F.
- 1.2 has 2 S.F.
- Calculation: (2.5×3.42)/1.2=7.125.
- Rounding: Must round to 2 S.F.
- Result: 7.1.
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About This Question
- Subject
- chemistry
- Chapter
- some basic concepts in chemistry
- Topic
- significant figures
- Difficulty
- Medium
- Year
- 2025
This medium difficulty chemistry question is from the chapter some basic concepts in chemistry, covering the topic of significant figures. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of some basic concepts in chemistry concepts.
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