Name
LESSON
Date
Class
Practice B
4-4 Scientific Notation
Write each number in standard notation.
1. 2.54 102
2. 6.7 102
3. 1.14 103
4. 3.8 101
5. 7.53 103
6. 5.6 104
7. 9.1 105
8. 6.08 104
9. 8.59 105
11. 7.21 103
10. 3.331 106
12. 5.88 104
Write each number in scientific notation.
13. 75,000,000
14. 208
15. 907,100
16. 56
17. 0.093
18. 0.00006
19. 0.00852
20. 0.0505
21. 0.003007
22. 5226
23. 0.04
24. 98,856
25. Jupiter is about 778,120,000 kilometers from the Sun. Write this
number in scientific notation.
26. The E. coli bacterium is about 5 107 meters wide. A hair is
about 1.7 105 meters wide. Which is wider, the bacterium or
the hair?
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28
Holt Mathematics
Practice B
4-4 Scientific Notation
Practice A
4-4 Scientific Notation
LESSON
LESSON
Write each number in standard notation.
Write each number in standard notation.
1. 1.76 101
3. 6.2 102
2. 8.9 103
0.176
8,900
5. 5.8 104
0.062
58,000
9. 5.0 103
810,000
0.00038
10. 3.12 105
11. 7.6 102
5000
312,000
254
101
7. 3.8 104
6. 8.1 105
5. 7.53 103
8. 2.03 103
16. 1006
17. 29
19. 0.0107
20. 0.0002008
22. 250,800
3
2.008 104
23. 0.000094
22. 5226
4
9.4 10
2.508 10
20. 0.0505
8.52 103
24. 0.00086
5
5
21. 0.003007
5.05 102
3.007 103
23. 0.04
24. 98,856
2
3
9.8856 104
4.0 10
5.226 10
8.6 10
6.0 105
9.3 10
19. 0.00852
5.3 104
18. 0.00006
2
5.6 10
21. 0.00053
9.071 105
17. 0.093
1
6.1 10
15. 907,100
2.08 10
16. 56
18. 0.0061
2.9 10
1.07 102
0.000588
2
7.5 10
6.5 10
1
1.006 10
0.000608
12. 5.88 104
0.00721
14. 208
7
2
9.58 10
3
910,000
11. 7.21 103
3,331,000
13. 75,000,000
15. 650
6
3.76 10
0.38
8. 6.08 104
Write each number in scientific notation.
14. 9,580,000
5
1140
7. 9.1 105
10. 3.331 106
859,000
0.0000854
Write each number in scientific notation.
13. 376,000
0.067
56,000
9. 8.59 105
4. 3.8 101
3. 1.14 103
6. 5.6 104
0.00753
0.00203
12. 8.54 105
0.076
2. 6.7 102
1. 2.54 102
4. 1.01 102
25. Jupiter is about 778,120,000 kilometers from the Sun. Write this
number in scientific notation.
25. Earth is about 93,000,000 miles from the Sun. Write this number
in scientific notation.
7.7812 108
9.3 107
4
26. The diameter of Earth is about 1.276 10 kilometers.
The diameter of Venus is about 1.21 104 kilometers. Which
planet has the greater diameter, Earth or Venus?
26. The E. coli bacterium is about 5 107 meters wide. A hair is
about 1.7 105 meters wide. Which is wider, the bacterium or
the hair?
Earth
the hair
27
Copyright © by Holt, Rinehart and Winston.
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Holt Mathematics
LESSON
Write each number in standard notation.
Standard Notation
2. 7.1 105
634,000
5. 6.0089 108
0.0000008235
8. 8.394 107
7. 2.0547 109
2,054,700,000
4,230,000
430,000
0.0000057
6. 5.2 109
0.000000060089
9. 9.688 1011
11. 0.000000000067
8
4.3 10
5.7 106
positive integer for large number
negative integer for small number
13. 0.000000084
14. 652,100,000,000
8.4 108
Move the decimal point right or left?
How many places?
16. 20,509,000,000,000
13
2.0509 10
5.28 109
17. 0.000000000000066
800,000
3.05 1013
19. The volume of the earth is approximately 260,000,000,000 mi .
Write this number in scientific notation.
314,000,000
6. 32,000,000
2.6 10 mi
From its location in the first factor, which
way must the decimal move to its location
in the given number? How many places?
20. If light travels 10,000 km in 3.3 102 sec, how long will it
take light to travel one meter?
3.3 109 sec
21. The diameter of a human hair can measure from 1.7 105 meter to 1.8 10–4
meter. Which is the greater diameter?
3.2 10
9. 0.0000000643
7
4.1 10
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left 8
7
7.12 108
Write each number in scientific notation.
8. 41,000,000
Holt Mathematics
7.12
right 7
Write the number in scientific notation.
1.8 10–4
29
7. 0.0000000712
3.2
What is the first factor?
3
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5. 3.14 108
0.00071
Complete to write each in scientific notation.
3
11
left 5
0.000034
To convert to scientific notation, determine the factor between 1 and
10. Then determine the power of 10 by counting from the decimal
point in the first factor to the decimal point in the given number.
18. 30,500,000,000,000
6.6 10
right 6
4,120,000
4. 7.1 104
3. 8 105
7.254 1010
14
negative
Write each number in standard notation.
15. 0.0000000007254
6.521 1011
positive
Is the exponent positive or negative?
12. 5,280,000,000
6.7 1011
2. 3.4 105
1. 4.12 106
968,800,000,000
Write the number in standard notation.
9.7406 1010
)
2nd factor is an
integer power of 10.
Complete to write each in standard notation.
Write each number in scientific notation.
10. 97,406,000,000
)(
1st factor is
between 1 and 10.
To convert from scientific notation, look at the power of 10 to tell
how many places and which way to move the decimal point.
5,200,000,000
0.0000008394
Scientific Notation
(
3. 4.23 106
0.000071
4. 8.235 107
Holt Mathematics
Reteach
4-4 Scientific Notation
Practice C
4-4 Scientific Notation
LESSON
1. 6.34 105
28
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All rights reserved.
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
74
10. 1,370,000,000
8
6.43 10
30
1.37 109
Holt Mathematics
Holt Mathematics