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Published byGertrude Lang Modified over 9 years ago
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Section 8.1
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Exponents are a short hand way to write multiplication Examples: 4 ·4 = 4 2 4·4·4 = 4 3 4·4·x·x·x= 4 2 x 3 = 16 x 3
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a m ·a n = a m+n Examples:
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(a m ) n = a mn Examples:
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(ab) m = a m b m Examples:
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When negative numbers are raised to an exponent, the following rules hold true: If the exponent is odd- the answer is negative If the exponent is even- the answer is positive Examples:
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Pg 453 # 4-21 odd
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1.) 2.)
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3.)4.) 5.)
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PG 453 # 23- 45 odd
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Pg 453 # 4-44 even
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