Practice Rounding Rules (1.3.2) - Unit 11: Measurement and Data Processing

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9 questions

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6 sample questions

Question 1.
Add 5.67 and 3.4. What is the rounded result?
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Look for the least number of decimal places.
Question 2.
Multiply 2.5 by 4.0 and round appropriately.
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Check significant figures!
3Question 3.
When adding two numbers, the result should be rounded to the least number of?
- Decimal places
- Significant figures
- Digits
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Think about how decimal points are aligned in addition.
4Question 4.
True or False: Exact numbers affect the significant figures of calculations.
- True
- False
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Remember the difference between exact and measured values.
Question 5.
A laboratory conducted experiments with three different measures: 2.50, 4.0, and 3.1415. Calculate the compound result of their addition followed by a multiplication with 2.0.
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Stay aware of how each operation shifts significant figures.
Question 6.
You have two measurements, 20.005 and 5.5. You subtract these, then divide the result by 3.0. What is the final answer after correct rounding?
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Control the process - every operation affects the rounding rule!

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