Significant Figure - How Many Sig Figs? - Quiz, Trivia & Questions

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| By Harry Hwong

Harry Hwong

Community Contributor

Quizzes Created: 3 | Total Attempts: 5,369

Questions: 14 | Attempts: 245 | Updated: Mar 20, 2023

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Created By: Mr. Hwong™ of Arroyo High School, El Monte, CA
Free Chemistry education to all students: hwongclassroom. Com
Report any errors to me: harry. Hwong@emuhsd. Org
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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.

Questions and Answers

1.

How many significant figures are in 13.4 cm?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
C. 3

Explanation
all nonzero numbers are significant

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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. 3

Explanation
zeros in front of numbers are NOT significant.
zeros between numbers are significant.

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3.

There are 4 significant figures in 7000
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
zeros after numbers and BEFORE decimal MAYBE significant (special rule).
This one does not have a decimal to indicate significance.

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4.

There are 3 significant figures in 0.00340
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
zeros in front of numbers are NOT significant.
zeros after numbers and AFTER decimal are significant.

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5.

There are ______ significant figures in 350.670 g.
- A.
  
  4
- B.
  
  5
- C.
  
  6
- D.
  
  7
Correct Answer
C. 6

Explanation
zeros between numbers are significant.
zeros after numbers and AFTER decimal are significant.

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6.

There are ________ significant figures in 246.32 mL.
- A.
  
  4
- B.
  
  5
- C.
  
  6
- D.
  
  7
Correct Answer
B. 5

Explanation
nonzero numbers are significant.

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7.

In 107.845 L, there are ______ significant figures.
- A.
  
  5
- B.
  
  6
- C.
  
  7
- D.
  
  8
Correct Answer
B. 6

Explanation
zeros between numbers are significant.

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8.

In 100.3 μg, there are ______ significant figures.
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  5
Correct Answer
C. 4

Explanation
zeros between numbers are significant.

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9.

How many significant figures are in 0.678 mg?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
C. 3

Explanation
zeros in front of numbers are NOT significant.

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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. 4

Explanation
zeros between numbers are significant.

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11.

There are 3 significant figures in 14.600
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
zeros after numbers and AFTER decimal are significant.

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12.

There are 5 significant figures in 0.0001
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
zeros in front of numbers are NOT significant.

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13.

There are ______ significant figures in 1.000 kL.
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
D. 4

Explanation
zeros after numbers and AFTER decimal are significant.

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14.

There are ______ significant figures in 3,200,010 dm.
- A.
  
  4
- B.
  
  5
- C.
  
  6
- D.
  
  7
Correct Answer
C. 6

Explanation
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.

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Sep 02, 2017

Quiz Created by
Harry Hwong

Significant Figure - How Many Sig Figs?

How many significant figures are in 13.4 cm?

How many significant figures are in 0.0405 inches?

There are 4 significant figures in 7000

There are 3 significant figures in 0.00340

There are ______ significant figures in 350.670 g.

There are ________ significant figures in 246.32 mL.

In 107.845 L, there are ______ significant figures.

In 100.3 μg, there are ______ significant figures.

How many significant figures are in 0.678 mg?

How many significant figures are in 1.008 MJ (mega joules)?

There are 3 significant figures in 14.600

There are 5 significant figures in 0.0001

There are ______ significant figures in 1.000 kL.

There are ______ significant figures in 3,200,010 dm.