Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example...
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![Page 1: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/1.jpg)
![Page 2: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/2.jpg)
Main Idea and New Vocabulary
Example 1: Express Numbers in Standard Form
Example 2: Express Numbers in Standard Form
Example 3: Write Numbers in Scientific Notation
Example 4: Write Numbers in Scientific Notation
Example 5: Real-World Example
![Page 3: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/3.jpg)
• Use scientific notation to write large and small numbers.
• scientific notation
![Page 4: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/4.jpg)
Express Numbers in Standard Form
Write 9.62 × 105 in standard form.
9.62 × 105 = 962,000. The decimal point moves 5 places right.
Answer: 962,000
![Page 5: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/5.jpg)
A. 0.0071
B. 0.071
C. 710
D. 7,100
Write 7.1 × 103 in standard form.
![Page 6: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/6.jpg)
Write 2.85 × 10–6 in standard form.
Express Numbers in Standard Form
2.85 × 10–6 = 0.00000285 The decimal point moves 6 places left.
Answer: 0.00000285
![Page 7: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/7.jpg)
A. 0.000509
B. 0.00509
C. 5,090
D. 50,900
Write 5.09 × 10–4 in standard form.
![Page 8: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/8.jpg)
Write Numbers in Scientific Notation
Write 931,500,000 in scientific notation.
931,500,000 = 9.315 × 100,000,000
The decimal point moves 8 places.
Answer: 9.315 × 108
= 9.315 × 108 Since 931,500,000 > 1, the exponent is positive.
![Page 9: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/9.jpg)
A. 1.2 × 10–5
B. 1.2 × 104
C. 12.0 × 104
D. 1.2 × 105
Write 120,000 in scientific notation.
![Page 10: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/10.jpg)
Write 0.00443 in scientific notation.
Write Numbers in Scientific Notation
0.00443 = 4.43 × 0.001 The decimal point moves 3 places.
Answer: 4.443 × 10–3
= 4.43 × 10–3 Since 0 < 0.00443 < 1, the exponent is negative.
![Page 11: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/11.jpg)
A. 9.2 × 10–6
B. 9.2 × 10–5
C. 92.0 × 10–4
D. 9.2 × 105
Write 0.000092 in scientific notation.
![Page 12: Lesson Menu Main Idea and New Vocabulary Example 1:Express Numbers in Standard Form Example 2:Express Numbers in Standard Form Example 3:Write Numbers.](https://reader036.fdocuments.us/reader036/viewer/2022062304/56649f215503460f94c395cc/html5/thumbnails/12.jpg)
VISIBLE LIGHT The following table lists the maximum frequency for the colors of the visible light spectrum. List the colors from greatest to least frequency.
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Since all the maximum frequencies have the same power of ten, compare the factors that are less than 10.
7.5 > 6.7 > 6.1 > 5.1 > 3.8 violet blue green orange red
Answer: The colors from greatest to least frequency
are violet, blue, green, orange, and red.
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A. Mercury, Venus, Saturn, Earth, Mars
B. Mars, Mercury, Earth, Venus, Saturn
C. Mercury, Mars, Venus, Earth, Saturn
D. Mercury, Mars, Saturn, Venus, Earth
PLANETS The following table lists the masses of five planets. List the planets from least to greatest mass.
4.87 1024Venus
5.69 1026Saturn
3.30 1023Mercury
6.42 1023Mars
5.98 1024Earth
Mass (kg)Planet
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