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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Add 5.67 and 3.4. What is the rounded result?
💡 Hint: Look for the least number of decimal places.
Question 2
Easy
Multiply 2.5 by 4.0 and round appropriately.
💡 Hint: Check significant figures!
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
When adding two numbers, the result should be rounded to the least number of?
- Decimal places
- Significant figures
- Digits
💡 Hint: Think about how decimal points are aligned in addition.
Question 2
True or False: Exact numbers affect the significant figures of calculations.
- True
- False
💡 Hint: Remember the difference between exact and measured values.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
💡 Hint: Stay aware of how each operation shifts significant figures.
Question 2
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?
💡 Hint: Control the process - every operation affects the rounding rule!
Challenge and get performance evaluation