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# Lesson4 - 1 MA 15200 Lesson 4 Section P.2(part 2 and...

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Unformatted text preview: 1 MA 15200 Lesson 4 Section P.2 (part 2) and Section P.3 (part 1) I Writing Numbers in Scientific Notation A number is written in scientific notation when it is in the form 10 n a × where 1 10 a ≤ < and n is an integer. If the original number is 10 or greater, the exponent of the base 10 will be positive. If the original number is less than 1, the exponent of the base 10 will be negative. If the original number is at least 1, but less than 10, the exponent of the base 10 will be zero. A positive exponent of 10 corresponds to a 10 or larger number. A negative exponent of 10 corresponds to a decimal number (less than 1). Ex 1 : Write each standard number in scientific notation. a) It has been estimated that in the year 2020, the world population will be approximately 7,516,000,000 (Source: U.S. Bureau of the Census, International Data Base) b) A grain of sand has a mass of 0.0648 grams....
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Lesson4 - 1 MA 15200 Lesson 4 Section P.2(part 2 and...

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