Significant Figure - How Many Sig Figs?
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1. All nonzero numbers are significant.
2. Zeros appearing between nonzero digits are significant.
3. Zeros appearing in front of all nonzero digits are not significant.
4. Zeros at the end of a number and to the right of a decimal point are significant.
5. Zeros at the end of a number and to the left of a decimal point may or may not be significant.
- 1.
How many significant figures are in 13.4 cm?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3Explanation
all nonzero numbers are significantRate this question:
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- 2.
How many significant figures are in 0.0405 inches?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
B. 3Explanation
zeros in front of numbers are NOT significant.
zeros between numbers are significant.Rate this question:
-
- 3.
There are 4 significant figures in 7000
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
zeros after numbers and BEFORE decimal MAYBE significant (special rule).
This one does not have a decimal to indicate significance.Rate this question:
-
- 4.
There are 3 significant figures in 0.00340
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
zeros in front of numbers are NOT significant.
zeros after numbers and AFTER decimal are significant.Rate this question:
-
- 5.
There are ______ significant figures in 350.670 g.
- A.
4
- B.
5
- C.
6
- D.
7
Correct Answer
C. 6Explanation
zeros between numbers are significant.
zeros after numbers and AFTER decimal are significant.Rate this question:
-
- 6.
There are ________ significant figures in 246.32 mL.
- A.
4
- B.
5
- C.
6
- D.
7
Correct Answer
B. 5Explanation
nonzero numbers are significant.Rate this question:
-
- 7.
In 107.845 L, there are ______ significant figures.
- A.
5
- B.
6
- C.
7
- D.
8
Correct Answer
B. 6Explanation
zeros between numbers are significant.Rate this question:
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- 8.
In 100.3 μg, there are ______ significant figures.
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
C. 4Explanation
zeros between numbers are significant.Rate this question:
-
- 9.
How many significant figures are in 0.678 mg?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3Explanation
zeros in front of numbers are NOT significant.Rate this question:
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- 10.
How many significant figures are in 1.008 MJ (mega joules)?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
D. 4Explanation
zeros between numbers are significant.Rate this question:
-
- 11.
There are 3 significant figures in 14.600
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
zeros after numbers and AFTER decimal are significant.Rate this question:
-
- 12.
There are 5 significant figures in 0.0001
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
zeros in front of numbers are NOT significant.Rate this question:
-
- 13.
There are ______ significant figures in 1.000 kL.
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
D. 4Explanation
zeros after numbers and AFTER decimal are significant.Rate this question:
-
- 14.
There are ______ significant figures in 3,200,010 dm.
- A.
4
- B.
5
- C.
6
- D.
7
Correct Answer
C. 6Explanation
zeros between numbers are significant.
zeros after numbers and BEFORE decimal MAYBE significant (special rule).
This one does not have a decimal to indicate significance.Rate this question:
-
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Current Version
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Mar 20, 2023Quiz Edited by
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Sep 02, 2017Quiz Created by
Harry Hwong