WorksheetsSI Units, Sig Figs, and Scientific Notation
Total questions: 25
Worksheet time: 12mins
Name
Class
Date
1.
Convert 872 mm to m.
a)
0.872m
b)
0.0872m
c)
8.72m
d)
0.8721m
2.
Convert 17 mm to km.
a)
0.00017km
b)
0.000017km
c)
0.0017km
d)
1.7km
3.
Convert 0.43m to km
a)
0.43km
b)
0.0043km
c)
4.3km
d)
0.00043km
4.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
5.
The SI unit for temperature is __?__.
a)
degree fahrenheit (° F)
b)
degree celsius (° C)
c)
kelvin (K)
d)
degree centigrade (°C)
6.
The SI unit for time is the __?__.
a)
hours (h)
b)
liter (L)
c)
gram (g)
d)
second (s)
7.
What SI unit is used to measure length?
a)
meters
b)
liters
c)
centimeters
d)
kilograms
8.
What prefix is represented by the following symbol: m
a)
hecto
b)
kilo
c)
milli
d)
mega
9.
What prefix is represented by the following symbol: k
a)
hecto
b)
kilo
c)
deci
d)
deka
10.
Which SI unit is used to measure amount of a substance?
a)
K
b)
kg
c)
mol
d)
kg/m3
11.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
12.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
13.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
14.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
15.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
16.
How many significant figures: 100.000 cL
a)
1
b)
3
c)
5
d)
6
17.
How many significant figures: 0.010 L
a)
1
b)
2
c)
3
d)
4
18.
Change from standard form to scientific notation: 12,000,000
a)
12.0 x 107
b)
0.12 x 107
c)
1.2 x 106
d)
1.2 x 107
19.
Change from standard form to scientific notation: 0.000398
a)
39.8 x 10-5
b)
3.98 x 10-5
c)
3.98 x 10-4
d)
39.8 x 10-6
20.
125,678,000: Change to scientific notation
a)
1.25678 x 1012
b)
.125678 x 10-9
c)
12.5678 x 108
d)
1.25678 x 108
21.
Change from standard form to scientific notation: 450,000
a)
4.5 x 105
b)
45 x 105
c)
4.5 x 104
d)
4.5 x 106
22.
Which answer has the correct number of sigfigs?
17.33 -6.3
a)
11
b)
11.0
c)
11.03
d)
11.030
23.
How many sigfigs should the answer to this problem have?
117.3X1.44
a)
1
b)
2
c)
3
d)
4
24.
Which answer has the correct number of sigfigs?
222X13.33
a)
2950
b)
2952
c)
2952.6
d)
2952.60
25.
Which answer has the correct number of sig figs?
2.2+0.14301
a)
2
b)
2.3
c)
2.343
d)
2.34301
100 %
