Practice - Significant Figures and Rounding Rules
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Practice Questions
Test your understanding with targeted questions
How many significant figures are in the number 0.00123?
💡 Hint: Leading zeros do not count!
Round 5.678 to two significant figures.
💡 Hint: Look at the digit in the third place.
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Interactive Quizzes
Quick quizzes to reinforce your learning
How many significant figures are in the number 0.045?
💡 Hint: Count only significant digits.
True or False: The number 1500 has four significant figures.
💡 Hint: Consider using scientific notation for clarity.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You measure a length as 45.678 cm and then convert it to meters. Express the result in scientific notation, including significant figures.
💡 Hint: Remember to convert and keep the significant figures accurate!
If you have 150.0 and 3.25, add them and round to the proper number of significant figures.
💡 Hint: The number with the least decimal places determines the rounding.
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