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Significant Figures
Test Description: Counting and Identifying Significant Figures
Instructions: Answer all questions to get your test result.
1) How many significant figures are in the number 2,000?
A
4
B
3
C
1
D
2
2) How many significant figures are in the number 0.00120?
A
5
B
6
C
2
D
3
3) Which zeros are significant in the number 0.01030
A
The zero between the 1 and 3, and the zero after the 3 is significant.
B
All of the zeros are significant.
C
Only the zero at the end is significant.
D
Only the zero between the 1 and 3 is significant.
4) Round the number 3.46 to 2 significant figures.
A
3.4
B
3.5
C
3.3
D
3.0
5) Round the number 45 to one significant figure.
A
45
B
40
C
50
D
46
6) How many significant figures should the answer have if we multiply: 5.60 x 3.2
A
4
B
2
C
1
D
3
7) How many significant figures should the answer have if we divide: 100 / 0.001
A
3
B
2
C
1
D
4
8) How many significant figures are in the number 2 x 10E4
A
2
B
3
C
1
D
4
9) How would you write the number 200 so that you had 2 significant figures?
A
2.0 x 10E2
B
2 x 10E2
C
20.0
D
200.0
10) How would you write 3800000 to only 4 significant figures?
A
3.8 x 10E6
B
3800.000
C
3.800 x 10E6
D
3800
*select an answer for all questions
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