Name Date Class
Exponents and Scientific Notation
Module Quiz: B
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51
Name Date Class
1. Which shows 2.6 ´ 104 in standard notation?
A 264 C 26,000
B 2,600 D 26,104
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
3. Find the value of 6-3.
A -216 C
B -63 D
4. When changing 67,430,000 to scientific notation, how many places is the decimal point moved?
A 4 C 7
B 6 D 8
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
6. What is the standard notation for a distance of 9.302 ´ 1010 miles?
A 9,302,000,000 miles
B 9,302,107,000 miles
C 93,020,000,000 miles
D 93,200,000,000 miles
7. A number between 0 and 1 is written in scientific notation. Which of these describes the exponent?
A fraction
B whole number
C positive integer
D negative integer
8. What is the scientific notation for a length of 0.0000923 centimeter?
A 9.23 ´ 10-6 cm C 92.3 ´ 10-5 cm
B 9.23 ´ 10-5 cm D 923 ´ 10-5 cm
9. Simplify the expression (7 - 2)2 + (6 - 2)3.
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?
A 11 ´ 10-6 meter
B 1.1 ´ 10-4 meter
C 1.1 ´ 10-3 meter
D 11 ´ 10-3 meter
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 -80 C -7
B -8 D -6
12. A square garden has an area of 1,600 square feet. How long is each side of the garden?
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 rational number
B whole number
C real number
D integer
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
52
Name Date Class
Exponents and Scientific Notation
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
52
Name Date Class
14. Why is this number not in scientific notation?
36.5 ´ 106
15. Write 3.65 ´ 105 in standard notation.
16. What power of ten makes this statement true?
78,000,000,000 = 7.8 ´ ____
17. Write your answer in scientific notation.
(6.4 ´ 103) + (5.2 ´ 104)
18. Round this population figure to two nonzero digits. Then write it in scientific notation.
186,453,000 people
19. Change a length of 0.00000843 meter to scientific notation.
20. Write a diameter of 7.024 ´ 10-5 centimeter in standard notation.
21. Write a decimal between 0.0006 and 0.0007. Then write the number 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.
For 23–26, use the table.
23. How many zeros are needed to write the diameter of the sun in standard notation?
24. Write the diameter of the transistor in standard notation.
25. How many digits are there in the standard notation for the height of Mount Everest?
26. An object is 100 times greater than the grain of sand. Describe the size of this object in scientific notation.
27. Arrange the numbers in order from greatest to least.
, , ,
28. Write your answer in scientific notation.
(5.1 ´ 107) + (1.3 ´ 106)
12.
13. 12
14. 0.1
15. 0.57
16. 100
MODULE 9 Real Numbers
Module Quiz 9: B
1. C
2. D
3. B
4. A
5. C
6. D
7. D
8. C
9. D
10. A
11. B
12. A
13. terminating; the denominator is a power of 2
14. 2.0625
15.
16. 6
17.
18. between 9.3 and 9.4
19. 15.81
20. rational number, real number
21. = 18, is a rational number
22. area of triangle, volume of sphere
23. volume of sphere, surface area of sphere
24. negative numbers
25. 5
26. 4p,
Module Quiz 9: D
1. B
2. B
3. C
4. C
5. B
6. A
7. A
8. A
9. B
10. B
11. A
12. C
13. repeating
14. 12.31
15.
16. 1515
17. 12, -12
18. between 6 and 7
19. 9
20. irrational number
21. so it is not irrational.
22. area of circle, volume of sphere, surface area of sphere
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
26. 3p
MODULE 10 Exponents and Scientific Notation
Module Quiz 10: B
1. C
2. C
3. D
4. C
5. D
6. C
6. C
7. D
8. B
9. D
10. B
11. C
12. B
13. D
14. The first factor is not less than 10.
15. 365,000
16. 1010
17. 5.84 ´ 104
18. 1.9 ´ 108
19. 8.43 ´ 10-6 m
20. 0.00007024 cm
21. Answers will vary. Sample answer: 0.00065, 6.5 ´ 10-4
22. 2.25 ´ 10-5 m
23. 8
24. 0.000016 m
25. 4
26. 1.6 ´ 10-2 m
27. , , ,
28. 5.23 ´ 107
Module Quiz 10: D
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
16. 4.7 ´ 103
17. 2.86 ´ 103
18. 8,500,000
19. -3
20. 4
21. 7 ´ 10-4
22. 0.014
23. 8,900 m
24. 0.025 m
25. 1,400,000,000 m
26. grain of salt
27.
28. 5.19 ´ 107
MODULE 11 Proportional Relationships
Module Quiz 11: B
1. C
2. C
3. A
4. D
5. B
6. C
7. D
8. B
9.
Time (weeks) / 10 / 15 / 25Savings ($) / 40 / 60 / 100
10. k = 4; y = 4x
11. $15 per h
12. Students’ graphs should show the equation passing through
(0, 0) and (3, -4).
13. unit rate for Object A is 2.5 m/s; unit rate for Object B is m/s.
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
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