Chem 065 - Introductory General Chemistry » Winter 2024 » Practice Scientific Notation and Metric Prefix
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Question #1
What decimal power does the abbreviation d represent?
A.
1 × 10-1
B.
1 × 10-9
C.
1 × 10-2
D.
10
E.
1 × 103
Question #2
An object measuring 77 milliliters will have a volume of ________ liters.
A.
770
B.
13
C.
77000
D.
7700
E.
0.077
Question #3
An object measuring 0.76 decimeters will have a length of ________ centimeters.
A.
0.0076
B.
0.076
C.
7.6
D.
0.00076
E.
1100
Question #4
What decimal power does the abbreviation nano represent?
A.
1 × 10-9
B.
1 × 10-12
C.
1 × 106
D.
1 × 10-1
Question #5
The exponential 104 is equal to which decimal number?
A.
10
B.
1
C.
10,000
D.
none of these
E.
100
Question #6
The decimal value 10 is equal to which exponential?
A.
102
B.
104
C.
103
D.
none of these
E.
101
Question #7
The decimal value 0.01 is equal to which exponential?
A.
none of these
B.
104
C.
10-5
D.
10-3
E.
102
Question #8
The exponential 10-3 is equal to which decimal number?
A.
0.001
B.
-0.0001
C.
none of these
D.
0.1
E.
-0.00001
Question #9
How would the number 8,155 be written in scientific notation?
A.
none of these
B.
8.155 x 101
C.
8.155 x 10-1
D.
8.155 x 10-3
E.
8.155 x 103
Question #10
How would the number 1.09 × 101 be expressed in decimal form?
A.
10.9
B.
none of these
C.
0.109
D.
1.09
E.
109
Question #11
Identify the smallest measurement.
A.
petameter
B.
attometer
C.
centimeter
D.
nanometer
E.
megameter
Question #12
Identify the largest measurement.
A.
attoL
B.
petaL
C.
microL
D.
deciL
E.
gigaL
Question #13
What symbol is used to represent the factor 10-3?
A.
n
B.
M
C.
μ
D.
m
Question #14
Which of the following is the smallest volume?
A.
11 cm3
B.
2.8 × 103 mL
C.
0.065 dL
D.
5.0 × 107 nL
Question #15
What symbol is used to represent the factor 10-2?
A.
c
B.
M
C.
μ
D.
m
Question #16
The factor 0.01 corresponds to which prefix?
A.
deka
B.
centi
C.
deci
D.
milli
Question #17
The factor 106 corresponds to which prefix?
A.
milli
B.
mega
C.
deci
D.
deka
Question #18
Which multiplier does the abbreviation m represent?
A.
1 × 109
B.
1 × 10-6
C.
1 × 103
D.
1 × 10-3
E.
1 × 106
Question #19
Which multiplier does the abbreviation mega represent?
A.
1 × 10-3
B.
1 × 10-1
C.
1 × 109
D.
1 × 103
E.
1 × 106
Question #20
The mass of an object, 4.55 × 10-3 g, expressed in decimal notation is _________
A.
0.00455 g
B.
0.0455 g
C.
4.55 g
D.
0.000455 g.
E.
0.0000455 g
F.
0.455 g
Question #21
The correct scientific notation for the number 0.00050210 is:
A.
5.0210 × 10-4
B.
5.021 × 10-4
C.
5.021 ×10-3
D.
5.021 × 104
E.
5.0210 × 104
F.
5.0210 ×10-3
Question #22
The wavelength of blue light is 0.00000045 m. Express this wavelength in scientific notation.
A.
4.5 × 10-7 m
B.
0.45 × 10-7 m
C.
4.5 × 10-6 m
D.
4.5 × 107 m
E.
4.5 × 106 m
Question #23
The correct decimal representation of 1.201 × 10-7 is:
A.
0.0000001201
B.
12010000
C.
0.0001201
D.
none of these
E.
1201.000
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