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Unformatted text preview: If the exponent is negative, such as 3 2 , then the base can be dropped under the number 1 in a fraction and the exponent made positive. An alternative method is to take the reciprocal of the base and change the exponent to a positive value. Example 1 Simplify the following by changing the exponent from a negative value to a positive value and then evaluate the expression....
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- Fall '07