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

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