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

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