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Name _______________________________________ Date __________________ Class __________________
MODULE
10
Exponents and Scientific Notation
Module Quiz: B
1. Which shows 2.6  104 in standard
notation?
8. What is the scientific notation for a length
of 0.0000923 centimeter?
A 264
C 26,000
A 9.23  106 cm
C 92.3  105 cm
B 2,600
D 26,104
B 9.23  105 cm
D 923  105 cm
9. Simplify the expression (7  2)2  (6  2)3.
2. The population of a large U.S. city is
1,703,210. Which of the following best
expresses this population?
A 1.7  106
C 1.703  106
B 1.7  107
D 17.03  106
A 25
C 41
B 64
D 89
10. A dollar bill is about 0.00011 meter thick.
What is this thickness in scientific
notation?
3. Find the value of 63.
A 216
C
1
216
A 11  106 meter
B 63
D
1
36
C 1.1  103 meter
B 1.1  104 meter
D 11  103 meter
4. When changing 67,430,000 to scientific
notation, how many places is the decimal
point moved?
11. A distance of 6.5  108 is multiplied by
10. The result is written in scientific
notation. What is the new exponent?
A 4
C 7
B 
A 80
C 7
D 8
B 8
D 6
5. Let x be the first factor in an expression in
scientific notation. Which describes this
factor?
A 0x1
C 1  x  10
B 0x1
D 1  x  10
12. A square garden has an area of 1,600
square feet. How long is each side of the
garden?
6. What is the standard notation for a
distance of 9.302  1010 miles?
A 16 feet
C 80 feet
B 40 feet
D 160 feet
13. Which of these is most likely to describe
the number of yards lost in a football
game?
A 9,302,000,000 miles
B 9,302,107,000 miles
A rational number
C 93,020,000,000 miles
B whole number
D 93,200,000,000 miles
C real number
7. A number between 0 and 1 is written in
scientific notation. Which of these
describes the exponent?
D integer
A fraction
B whole number
C positive integer
D negative integer
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
51
Name _______________________________________ Date __________________ Class __________________
MODULE
10
Exponents and Scientific Notation
14. Why is this number not in scientific
notation?
For 23–26, use the table.
36.5  106
Size (meters)
_______________________________________
15. Write 3.65  105 in standard notation.
_______________________________________
16. What power of ten makes this statement
true?
78,000,000,000  7.8  ____
water molecule
3.2  1010
typical virus
7.5  108
small transistor
1.6  105
grain of salt
1.6  104
large ant
2.5  102
height of Mount Everest
8.9  103
diameter of moon
3.5  106
diameter of sun
1.4  109
_______________________________________
17. Write your answer in scientific notation.
23. How many zeros are needed to write the
diameter of the sun in standard notation?
(6.4  10 )  (5.2  10 )
3
4
________________________________________
_______________________________________
24. Write the diameter of the transistor in
standard notation.
18. Round this population figure to two
nonzero digits. Then write it in scientific
notation.
________________________________________
186,453,000 people
_______________________________________
25. How many digits are there in the standard
notation for the height of Mount Everest?
19. Change a length of 0.00000843 meter to
scientific notation.
________________________________________ 
26. An object is 100 times greater than the
grain of sand. Describe the size of this
object in scientific notation.
_______________________________________
20. Write a diameter of 7.024  105
centimeter in standard notation.
________________________________________
_______________________________________
27. Arrange the numbers in order from
greatest to least.
21. Write a decimal between 0.0006 and
0.0007. Then write the number in
scientific notation.
4.3 ,

4
,
75 ,
20
13
________________________________________
_______________________________________
28. Write your answer in scientific notation.
22. A small organism with a length of
7.5  106 meter tripled in size. Write
the new length in standard notation.
(5.1  107)  (1.3  106)
________________________________________
_______________________________________
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
52
Name _______________________________________ Date __________________ Class __________________
12.
Module Quiz 9: D
4
7
1. B
13. 12
2. B
14. 0.1
3. C
15. 0.57
4. C
16. 100
5. B
6. A
MODULE 9 Real Numbers
7. A
Module Quiz 9: B
8. A
1. C
9. B
2. D
10. B
3. B
4. A
11. A
5. C
13. repeating
6. D
14. 12.31
7. D
8. C
15. 0.583
9. D
17. 12, 12
12. C
16. 1515
10. A
18. between 6 and 7
11. B
12. A
19. 9
20. irrational number
13. terminating; the denominator is a power of
2
21. 10, 12, 14, 16, 18, 20;
so it is not irrational.
14. 2.0625
22. area of circle, volume of sphere, surface
area of sphere
15. 0.36
23. area of triangle, perimeter of square,
volume of sphere, surface area of sphere
24. Distances and lengths are always
nonnegative numbers.
25. 10 or 11
16. 6
17.
3
3
,
2
2
18. between 9.3 and 9.4
19. 15.81
26. 3
20. rational number, real number
21.
322, 323, 324  18,
325; 324 is a rational number
320, 321,
MODULE 10 Exponents and
Scientific Notation
22. area of triangle, volume of sphere
23. volume of sphere, surface area of sphere
Module Quiz 10: B
1. C
24. negative numbers
2. C
25. 5
26. 4,
16  4,
3. D
4. C
4
150, 11
9
5. D
6. C
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
53
Name _______________________________________ Date __________________ Class __________________
6. C
16. 4.7  103
7. D
17. 2.86  103
8. B
18. 8,500,000
9. D
19. 3
10. B
20. 4
11. C
12. B
21. 7  104
13. D
23. 8,900 m
14. The first factor is not less than 10.
24. 0.025 m
25. 1,400,000,000 m
22. 0.014
15. 365,000
16. 1010
26. grain of salt
17. 5.84  10
4
27.
18. 1.9  108
28. 5.19  107
19. 8.43  10 m
6
20. 0.00007024 cm
MODULE 11 Proportional
Relationships
21. Answers will vary. Sample answer:
0.00065, 6.5  104
Module Quiz 11: B
22. 2.25  105 m
23. 8
1. C
2. C
3. A
24. 0.000016 m
25. 4
4. D
26. 1.6  102 m
27.
75 , 4.3,
30
5. B
6. C
20 
,
13 4
7. D
28. 5.23  107
8. B
Module Quiz 10: D
9.
1. C
2. C
3. A
4. C
5. B
6. A
7. B
8. B
9. B
10. A
11. C
12. A
13. C
14. 6
15. 10,000; 52,000
Time (weeks)
10
15
25
Savings ($)
40
60
100
10. k  4; y  4x
11. $15 per h
12. Students’ graphs should show the
4
equation y   x, passing through
3
(0, 0) and (3, 4).
13. unit rate for Object A is 2.5 m/s; unit rate
2
for Object B is
m/s.
3
14. Object C’s unit rate is 1.5 m/s. C is
moving faster than B, but slower than A.
15. 50 mi
16. 0.000181 m
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
54
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