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WorksheetsSignificant Figures and Dimensional Analysis
Total questions: 22
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
2.
How many sig figs are there?
0.000008
0.000008
a)
1
b)
2
c)
6
d)
7
3.
How many sig figs are there?
0.0009009090000
0.0009009090000
a)
3
b)
10
c)
14
4.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
5.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
6.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
7.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
8.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
9.
Determine the number of Significant Figures in 10-L.
a)
4
b)
3
c)
2
d)
1
10.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
11.
How many significant figures will be in the answer to the following question:
7.62 x 6.98 x 3.2645
7.62 x 6.98 x 3.2645
a)
1
b)
2
c)
3
d)
4
12.
Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
13.
Solve. Round using SigFig math rules.
98.7°C - 97.25°C
a)
1°C
b)
1.5°C
c)
1.45°C
d)
1.450°C
14.
Solve. Round using SigFig math rules.
103-cm x 11-cm
103-cm x 11-cm
a)
11-cm2
b)
1100-cm2
c)
1130-cm2
d)
1133-cm2
15.
How many gallons are in 64 quarts?
(Hint: 4 qt = 1 gal)
(Hint: 4 qt = 1 gal)
a)
16 gal
b)
0.25 gal
c)
0.75 gal
d)
1.5 gal
16.
How many hours are in a year?
(Hint: 365 days = 1 year)
(Hint: 365 days = 1 year)
a)
8760 hrs
b)
8670 hrs
c)
525,600 hrs
17.
The length of a desk is 3.5 feet. How many centimeters is the length?
(there are 2.54 cm in an inch)
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
18.
How many gallons are in a pool that holds 758,000 Liters?
(1 gallon = 3.79 Liters)
(1 gallon = 3.79 Liters)
a)
200
b)
20,000
c)
200,000
d)
2,000,000
19.
Mr. Jolly drove 90 km per hour on South Luzon Blvd. this morning. How many meters per second is this rounded to the nearest tenth of a second?
a)
125
b)
30
c)
25
d)
800
20.
How many seconds are in a day?
a)
There are only seconds in a minute.
b)
1440sec
c)
86,400sec
d)
84,600sec
21.
One foot equals 16 inches.
a)
True
b)
False
22.
My cup of coffee hold 350 mL (milliliters) how many kL (kiloliters) is my coffee cup
a)
350
b)
35
c)
.35
d)
.00035
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