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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