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Exponents and Division

(–5) 0 = 1. Simplify. y 0 = 1 . Simplify. COURSE 3 LESSON 7-3. Exponents and Division. Simplify each expression. . a. (–5) 0. b. y 0. 7-3. Write the expression using a positive exponent. 1 2 3. 1 p 8. 2 –3 =. =. 1 8. =. Simplify. COURSE 3 LESSON 7-3.

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Exponents and Division

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  1. (–5)0 = 1 Simplify. y0 = 1 Simplify. COURSE 3 LESSON 7-3 Exponents and Division Simplify each expression. a. (–5)0 b.y0 7-3

  2. Write the expression using a positive exponent. 1 23 1 p8 2–3 = = 1 8 = Simplify. COURSE 3 LESSON 7-3 Exponents and Division Simplify each expression. a. 2–3 b. (p)–8 7-3

  3. . 2.45  10–5 = 0 00002.45 A negative exponent indicates division. Move the decimal point 5 places to the left to make 2.45 less than 1. COURSE 3 LESSON 7-3 Exponents and Division Among the microscopic possible fossils found on Mars, the largest are less than approximately 2.45  10–5 cm in size. Write this number in standard form. The largest of the possible fossils found on Mars are less than approximately 0.0000245 cm in size. 7-3

  4. Move the decimal point 5 places to the right to get a factor greater than 1 but less than 10. . Since you moved the decimal 5 places, use –5 as the exponent of 10. = 8.07  10–5 COURSE 3 LESSON 7-3 Exponents and Division Write 0.0000807 in scientific notation. 0.0000807 = 0.00008 07 7-3

  5. 1 16 97 94 COURSE 3 LESSON 7-3 Exponents and Division 1. Write using a single exponent. Simplify each expression. 2. 60 3. 4–2 4. The diameter of a cell is 9  10–5 in. Write this number in standard form. 5. Write 0.00084 in scientific notation. 93 1 0.00009 in. 8.4  10–4 7-3

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