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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Convert the number 0.0052 to scientific notation.
💡 Hint: Remember to count how many places you move the decimal.
Question 2
Easy
How many significant figures are in 150.0?
💡 Hint: Look for the decimal point.
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
What is the main purpose of using significant figures?
- To convey a measurement's precision
- To increase a number's value
- To eliminate uncertainty
💡 Hint: Think of how you would report a measurement.
Question 2
True or False: Scientific notation can only represent large numbers.
- True
- False
💡 Hint: Recall how small numbers are represented.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sample has a density of 0.789 g/mL. What is the mass of 250 mL of this liquid?
💡 Hint: Use the formula for mass in terms of density and volume.
Question 2
Convert 0.0000567 to scientific notation and then perform the calculation of this number squared.
💡 Hint: Remember to square both the coefficient and the power.
Challenge and get performance evaluation