notes_1b_-_exponents - 29 =-3 6 4 a a =-2 2 7 x 29 =-2 3 2...

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I. Goal: To simplify expressions with exponents and use exponents to represent numbers (A.3) A. Exponents 1. Exponents are a shorter way to write repeated multiplication = 2 2 2 2 2 2 2 2 3 x means ____________ 2. = b a x x __________ = 3 m m ( 29 = y x y x 2 3 6 = 4 3 3 3 ( 29 ( 29 = 4 10 3 5 2 xy y x 3. ( 29 = b a x ___________ ( 29 = 2 5 x ( 29 = - 4 3 7 b a ( 29 = - 4 12 3 x = 6 3 2 4 4. You try some ( 29 = 5 4 2 ( 29 = - 2 20 4 5 y x ( 29 = - 3 10 3 xy ( 29 ( 29 = 4 7 3 3 y x x ( 29 ( 29 = 6 5 2 2 k k
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5. = b a x x __________ = 3 5 10 10 = a a a 4 12 ( 29 = 3 2 4 12 2 a a ( 29 = - 4 3 2 30 20 16 2 32 bc a c b a 6. = 0 x 7. Addition with exponents = + 5 5 x x = + 9 9 4 a a ( 29 = - 5 3 2 4 4 m m m B. Practice 1. = 7 5 10 10 2. = 14 6 8 8 3. = 4 5 z z 4. = 7 5 9 3 5. = + 3 3 7 7 6. = 6 5 5 7. = + 4 4 3 x x 8. ( 29 = 5 4 10 9. ( 29 = 3 2 7 10. ( 29 = 5 3 x
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11. ( 29 = 4 2 x 12. ( 29 = 3 4 2 a 13. ( 29 = - 4 2 a 14. ( 29 = - 3 2 3 x 15. ( 29 ( 29 = 4 2 3 x 16. ( 29 = - 3 2 5 y 17. =  - 3 4 2 y x 18. ( 29 = - 4 2 3 yz 19. ( 29 = - 6 2 3 yz 20. ( 29 = - 3 2 3 yz C. Negative exponents 1. In general, n x - means 2 x x 0 x 1 - x 2 - x 2. Simplify and eliminate negative exponents
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Unformatted text preview: ( 29 =--3 6 4 a a = -2 2 7 x ( 29 =--2 3 2 z y ( 29 =---5 3 1 6 b a bc a ( 29 ( 29 =---2 10 8 2 2 2 7 z y x z xy D. Practice 1. = -4 2 2 3 y 2. ( 29 =-5 2 2 3 y 3. ( 29 = +--4 3 3 2 x x x 4. ( 29 =--3 4 3 a a a 5. ( 29 =---10 3 2 7 3 w v w v 6. =---3 5 2 1 8 7 7 xy y x 7. ( 29 =--6 2 2 3 1 5 5 c ab c b a WebAssign Exponents homework # 1 is open and closes October 4 th @ 11PM...
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