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Unformatted text preview: 1 MA 15200 Lesson 3 Section P.2 (part 1) I Review of Exponential Expressions Exponential Expression : x n x x x x x n of factors ... ⋅ ⋅ = x is called the base , n is called the exponent , n x is called a power Ex 1 : Write the following without exponents. = = = = = 3 3 4 4 3 ) 3 ( ) 12 ) 3 ) * ) 3 ( ) * 8 ) m e x d c b a Ex 2 : Write with exponents. ) )( )( ( ) ) 2 )( 2 )( 2 )( 2 )( 2 ( ) * 2 ) * n n n c a a a a a b a a a a a a = = ⋅ ⋅ ⋅ ⋅ *Note: There is a difference between n n ax ax ) ( and If you have a power, such as 7 6 . 12 , a scientific calculator with a power key can be used to evaluate the power. The power key may look like or x y ∧ . You are responsible to know how to use this key on your calculator . Example: 18 . 952 . 418 , 50 6 . 12 7 ≈ II Rules of Exponents A) Product Rule for Exponents: m n m n b b b + = Note: There must be the same base and the base is kept....
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This note was uploaded on 01/18/2012 for the course MATH 152 taught by Professor staff during the Fall '09 term at Purdue.
 Fall '09
 Staff
 Exponents, Factors

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