TEST NAME: Exponents Test Review
TEST ID: 1519221
GRADE: 07 - Seventh Grade
SUBJECT: Mathematics
TEST CATEGORY: My Classroom
Exponents Test Review
Page 1 of 14
Student:
Class:
Date:
1.
Which expression is equivalent to
A.
B.
C.
D.
2. Which is equivalent to
A.
B.
C.
D.
3. If
what is the value of x?
A.
3
B.
7
C.
10
D.
25
4. What is the simplified form of the expression below?
A.
B.
C.
D.
Exponents Test Review
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5.
Which expression is equivalent to
?
A.
B.
C.
D.
6. Which expression is equivalent to
A.
B.
C.
D.
7.
A.
B.
C.
D.
8.
A.
B.
C.
D.
9. Which number represents
A.
B.
C.
D.
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10. Which of the following statements is correct?
A.
B.
C.
D.
11. Which expression is equivalent to
A.
B.
C.
D.
12. Which exponential form is equivalent to
A.
B.
C.
D.
13. What is the total number of zeros in the number (100,000,000)2 ?
A.
10
B.
12
C.
16
D.
18
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14.
Which expression is equivalent to
A.
B.
C.
D.
15.
What is the value of the expression
A.
B.
C.
4
D.
16
Exponents Test Review
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16.
17.
What is the value of (2–3)(42)(2–1)?
A.
–32
B.
–16
C.
1
D.
4
The area of the surface of the Atlantic Ocean is approximately
31,830,000 square miles. How is this area written in scientific notation?
A.
3.183 × 104
B.
3.183 × 105
C.
3.183 × 106
D.
3.183 × 107
18. The diameter of a grain of sand is 0.06534 millimeter. Which value is the best estimate of this
diameter?
A.
millimeter
B.
millimeter
C.
millimeter
D.
millimeter
19. The population of the United States is approximately
is approximately
people. The population of Germany
people. Which statement about the populations of these countries is
true?
A.
The population of Germany is almost 3 times the population of the United States.
B.
The population of Germany is almost 4 times the population of the United States.
C.
The population of the United States is almost 3 times the population of Germany.
D.
The population of the United States is almost 4 times the population of Germany.
20. A small paper clip weighs about 0.0005 kilogram. What is 0.0005 written in scientific notation?
A.
B.
C.
D.
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21.
A microgram is equal to
microgram is
grams. How many times greater than a
grams?
A.
B.
C.
D.
22.
The mass of two objects is being compared during a physics experiment.
It is determined that object A has a mass of
and object B has a
mass of
How many times larger is the mass of object A than the
mass of object B?
23.
24.
A.
0.1
B.
0.4
C.
10
D.
40
What is the standard form of 3.2 × 10–3?
A.
–3,200
B.
0.00032
C.
0.0032
A company had 21 billion dollars in sales last year. What are the sales of
the company written in scientific notation?
A.
2.1 × 107
B.
2.1 × 109
C.
2.1 × 1010
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25.
26.
27.
Jupiter is about 480 million miles from the Sun. How is this distance
written in scientific notation?
A.
4.8 × 106 miles
B.
4.8 × 107 miles
C.
4.8 × 108 miles
Mike is about 1.6 meters tall. A rock is about 2.3 × 10–3 meters
tall. About how many times shorter is the rock compared to Mike?
A.
1,400
B.
700
C.
140
D.
70
Suppose that a scientist estimates that every square mile of the ocean
contains an average of 4.6 × 104 pieces of trash. The area of the Earth’s
surface that is covered by oceans is approximately 1.2 × 108 square
miles. Using the estimate, how many pieces of trash are in the Earth’s
oceans?
A.
5.5 × 1012
B.
1.2 × 108
C.
3.4 × 104
D.
2.6 × 103
28. Neptune has an average distance from the Sun of
distance from the Sun of
miles. Earth has an average
miles. Which of the following is closest to the number of
times Neptune is farther from the Sun than Earth is from the Sun?
A.
0.003
B.
0.03
C.
30
D.
300
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29. The Click-O Pen Company produced
pencils each year for 4 years. What was the total
number of pencils the Click-O Pen Company produced during those 4 years?
A.
B.
C.
D.
30. The mass of Earth is
kilograms, of which
kilograms comes from its oceans. The
mass of Earth’s oceans is closest to what percentage of the mass of Earth?
A.
0.23%
B.
0.43%
C.
0.023%
D.
0.043%
31. A ship weighs
tons when it is empty. The ship’s cargo, fuel, and crew weigh a total of
tons. What is the total weight of the ship with the cargo, fuel, and crew on board?
A.
tons
B.
tons
C.
D.
tons
tons
32. The mean distance from the Sun to Earth is
Sun is
miles. Jupiter’s mean distance from the
miles. What is the difference between these two distances, in miles?
A.
B.
C.
D.
33. Which is equivalent to
?
A.
B.
C.
D.
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34. The dimensions of the base of an office building are
feet by
feet. What is the
perimeter of the base of this building, in feet?
A.
B.
C.
D.
35. What is the value of t in the equation below?
36.
A.
2
B.
3
C.
4
D.
5
Use the values listed below to answer the question.
What is the product of the least value and the greatest value?
37.
A.
0.000000976
B.
0.816
C.
91.5
D.
3,111
Which expression is equivalent to
A.
B.
C.
D.
Exponents Test Review
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38.
What is the value of
A.
7 × 1010
B.
7 × 109
C.
7 × 106
D.
7 × 105
?
39.
A.
B.
C.
D.
40. Which expression is equivalent to
A.
B.
C.
D.
41. Which expression is equivalent to
A.
B.
C.
D.
42.
Which expression is equivalent to
A.
B.
C.
D.
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43. Which expression is equivalent to
A.
B.
C.
D.
44.
Which expression is equivalent to
A.
B.
C.
D.
45. Which expression is equivalent to
A.
B.
C.
D.
46. Which expression is equivalent to
A.
B.
C.
D.
47.
Which expression is equivalent to
A.
B.
C.
D.
Exponents Test Review
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48. If
what is the value of n?
A.
2
B.
3
C.
10
D.
16
49. What is the value of n in order for
A.
3
B.
6
C.
7
D.
8
to be equal to
50. Which expression is equivalent to
51.
A.
2a5b 3
B.
2a5b 4
C.
8a5b 3
D.
8a5b 4
Which set of numbers is included in the solution set of 4 – 3x < –2?
A.
{2.5, 8, 15}
B.
{ –8, 0, 1.5}
C.
{–15, –8, 0}
D.
{0, 2.5, 8}
52. Which list only contains numbers that are solutions to the inequality?
A.
1, 4, 7
B.
–9, –5, –1
C.
D.
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53. Which set of values will make the following inequality true?
A.
{–2, –1, 0}
B.
{–8, –7, –6}
C.
{–15, –12, –9}
D.
{–12, –11, –10}
54. What are all possible values of x if
A.
B.
C.
D.
55. A young Komodo Dragon is 92 inches long. It could grow to a length of 120 inches in adulthood.
The inequality below can be used to find x, the number of inches the Komodo Dragon could
grow before it reaches its full length.
Which value of x shows a number of inches the Komodo Dragon could grow?
56.
A.
38 inches
B.
32 inches
C.
29 inches
D.
27 inches
A phone plan costs $10 per month, plus $0.03 per text message. John
wants his phone bill to be less than $40, before taxes. What is the
maximum number of text messages John can send?
A.
333
B.
999
C.
1,333
D.
1,666
Exponents Test Review
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