Practice Significant Figures: Indicating Precision (11.2.1) - Chapter 11: Measurement and Data Processing

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9 questions

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6 sample questions

Question 1.
How many significant figures are in the number 0.00452?
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Count only the non-zero digits and any digits in between.
Question 2.
What is 2500 g in scientific notation with two significant figures?
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Remember to consider the significance of the trailing zero.
3Question 3.
How many significant figures are in the number 105.004?
- 5
- 6
- 4
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Count all the significant digits including those between.
4Question 4.
True or False: The number 0.00720 has four significant figures.
- True
- False
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Check the digits to see how many truly count.
Question 5.
You measure a length as 150.0 cm with an absolute uncertainty of ±0.1 cm. Report the measurement with its uncertainty and stated significant figures.
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Consider the precision of your measurement.
Question 6.
In a lab, the mass of a sample is recorded as 32.00 g with a possible experimental error of ±0.05 g. Calculate the range of mass considering the uncertainty.
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Use the original mass and subtract/add the uncertainty.

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