R2 - Section R.2 Integer Exponents, Scientific Notation,...

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Math 1513 Sec R.2 1 Section R.2 Integer Exponents, Scientific Notation, Order of Operations When you see a term like 7 x , x is called the base and 7 is called the exponent or power. 1. When the exponent is a positive integer (like 7 is), the term has a simple meaning: 7 7 factors x x x x x x x x         2. When the exponent is zero and the base is not zero, then 0 1 x . Similarly, 0 0 0 3 1, 1, 4.2 0 , etc. Notice we said that the base is not zero, this is because 0 0 is undefined. 3. When the exponent is a negative integer, a term like 7 7 1 x x . Similarly, 3 3 1 x x . Simply stated, to get rid of a negative on an exponent, you move the term to the other side of the fraction bar (numerator to denominator or denominator to numerator) and remove the minus sign. For example: 4 3 4 3 y x y x
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Math 1513 Sec R.2 2 Properties of Exponents Examples m n m n a a a a. 4 6
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This note was uploaded on 10/18/2011 for the course MATH 1513 taught by Professor Staff during the Fall '08 term at Oklahoma State.

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R2 - Section R.2 Integer Exponents, Scientific Notation,...

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