Unit 2: Significant Figures
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What are significant figures?
Back
Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.
2.
FLASHCARD QUESTION
Front
How many significant figures are in the number 1740200?
Back
5 significant figures.
3.
FLASHCARD QUESTION
Front
How many significant figures are in the number 0.998005?
Back
6 significant figures.
4.
FLASHCARD QUESTION
Front
When multiplying numbers, how do you determine the number of significant figures in the result?
Back
The result should have the same number of significant figures as the measurement with the least number of significant figures.
5.
FLASHCARD QUESTION
Front
Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.
Back
1.1 m².
6.
FLASHCARD QUESTION
Front
When subtracting numbers, how do you determine the number of significant figures in the result?
Back
The result should have the same number of decimal places as the measurement with the least number of decimal places.
7.
FLASHCARD QUESTION
Front
Calculate 345.009 g - 23.00 g and give your answer with the correct number of significant figures.
Back
322.01 g.
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