WorksheetsSignificant Figures and Scientific Notation Quiz B
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
2.
How many significant figures does the following number have: 0.000150
a)
2
b)
3
c)
5
d)
7
3.
How many Significant Figures in the number below?
0.456
0.456
a)
3
b)
4
c)
2
d)
1
4.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
5.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
6.
Calculate 1225 m x 35m and give your answer with the appropriate number of significant figures.
a)
42,875 m2
b)
4.2 x 104 m2
c)
4.2 x 10-4 m2
d)
43,000 m2
7.
When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have
a)
Three significant figures
b)
One decimal place
c)
Two decimal places
d)
Three decimal places
8.
Calculate 12.34 + 1.234 + 0.1234
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
9.
Write 1.26 x 103 in standard or expanded form.
a)
1260
b)
126
c)
126.0
d)
12.6
10.
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
11.
Convert 67,400,000 to proper scientific notation.
a)
6.74 x 107
b)
67.4 x 106
c)
6.74 x 10-7
d)
674 x 105
12.
Convert 0.000044 to proper scientific notation.
a)
4.4 x 105
b)
44 x 104
c)
44 x 10-4
d)
4.4 x 10-5
13.
The expanded form of 3.4 x 104 is
a)
0.00034
b)
340
c)
3400
d)
34000
14.
If the exponent is a negative number:
a)
The number will be small
b)
The number will be large
15.
If the exponent is a positive number:
a)
The number is large
b)
The number is small
100 %
