Significant Figures Flashcard
Flashcard
•
Science
•
12th Grade
•
Practice Problem
•
Hard
Joanna Mackle
FREE Resource
Student preview
8 questions
Show all answers
1.
FLASHCARD QUESTION
Front
How many significant figures are in the number 33.2?
Back
Three
Answer explanation
The number 33.2 has three significant figures: the '3', the '3', and the '2'. The presence of the decimal point indicates that all non-zero digits and any zeros between them are significant.
2.
FLASHCARD QUESTION
Front
How many significant figures are in the number 2051?
Back
Four
Answer explanation
The number 2051 has four significant figures: 2, 0, 5, and 1. All non-zero digits are significant, and zeros between significant digits are also counted. Therefore, the correct answer is four.
3.
FLASHCARD QUESTION
Front
How many significant figures are in the number 0.54?
Back
Two
Answer explanation
The number 0.54 has two significant figures. The leading zero is not significant, while both 5 and 4 are significant. Therefore, the correct answer is two.
4.
FLASHCARD QUESTION
Front
How many significant figures are in the number 92.00?
Back
Four
Answer explanation
The number 92.00 has four significant figures. The digits 9 and 2 are significant, and the two trailing zeros after the decimal point also count as significant figures.
5.
FLASHCARD QUESTION
Front
How many significant figures are in the number 540.?
Back
Three
Answer explanation
The number 540 has three significant figures. The '5' and '4' are significant, and the trailing '0' is also significant because it indicates precision in the measurement.
6.
FLASHCARD QUESTION
Front
How many significant figures are in the number 540?
Back
Two
Answer explanation
The number 540 has two significant figures. The '5' and '4' are significant, while the trailing zero is not counted as significant unless specified by a decimal point.
7.
FLASHCARD QUESTION
Front
How many significant figures are in the number 1 meter?
Back
Infinite
Answer explanation
The number 1 meter is an exact measurement, representing a defined quantity without uncertainty. Therefore, it has infinite significant figures, as it is considered to be known with complete precision.
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