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