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Move the decimal point to get a factor greater than 1 but less than 10.. The mean distance from Mars to the sun is about 141,750,000 mi. Write this number.

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Presentation on theme: "Move the decimal point to get a factor greater than 1 but less than 10.. The mean distance from Mars to the sun is about 141,750,000 mi. Write this number."— Presentation transcript:

1 Move the decimal point to get a factor greater than 1 but less than 10.. The mean distance from Mars to the sun is about 141,750,000 mi. Write this number in scientific notation. COURSE 2 LESSON 3-2 The mean distance from Mars to the sun is about 1.4175  10 8 mi. 141,750,000 = 1.4175  100,000,000 Write as a product of 2 factors. = 1.4175  10 8 Write 100,000,000 as a power of 10. 1 41,750,000. 3-2 Scientific Notation

2 Light from the sun reaches Earth in about 4.99012  10 2 s. Write this time in standard form. COURSE 2 LESSON 3-2 Method 1 Method 2 = 499.012 The time is about 499.012 s. 4.99012  10 2 = 4.99012  100 Write as a product of 2 factors. = 499.012Multiply the factors. 3-2 Scientific Notation 4.99012  10 2 = 4.99012 The exponent is 2. Move the decimal 2 places to the right.

3 Write in scientific notation. 1.45,3002.714,900,000 Write in standard form. 3.5.7  10 3 4.6.034  10 6 COURSE 2 LESSON 3-2 4.53  10 4 7.149  10 8 5,7006,034,000 3-2 Scientific Notation


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