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WorksheetsSignificant Figures and Scientific Notation Quiz A
Total questions: 15
Worksheet time: 12mins
Name
Class
Date
1.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
2.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
3.
0.006 has ________ significant figures (sigfigs)
a)
4
b)
3
c)
2
d)
1
4.
Which of the following measurements contains two significant figures?
a)
0.00400 L
b)
0.00404 L
c)
0.00044 L
d)
0.00440 L
5.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
6.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
7.
1145.678 + 4.56 + 623.9789 + 78.1 = ? (Use significant figures!)
a)
1852.3
b)
2000
c)
1952.3
d)
1853.5
8.
Solve & Round to Correct Sig Figs.
4.5 x 2.34 =
4.5 x 2.34 =
a)
11
b)
10.52
c)
10.5
d)
10
9.
Express 23400 in proper scientific notation.
a)
2.34 x 104
b)
2.3 x 103
c)
2.30 x 105
d)
2.34 x 103
10.
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
a)
1.54 x 1012 m
b)
1.54 x 10-12 m
c)
1.54 x 1010 m
d)
1.54 x 10-10 m
11.
How would you write 5.6 x 10-3 in standard form?
a)
0.0056
b)
5,600
c)
0.00056
d)
0.0056
12.
Write 5,795,000 in scientific notation
a)
5.795 x 103
b)
5.795 x 104
c)
57.95 x 105
d)
5.759 x 106
13.
Convert 5.89 x 10-4 to standard or expanded form.
a)
0.00589
b)
0.000589
c)
58900
d)
58.900
14.
If the exponent is a positive number:
a)
The number is large
b)
The number is small
15.
If the exponent is a negative number:
a)
The number will be small
b)
The number will be large
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