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When \(\left(81x^{\frac27}\right)\left(\frac29x^{\frac37}\right)\) is simplified, it can be written in the form ax^b where a and b are real numbers. Find ab.

 Jun 16, 2021
 #1
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We  have

 

81 *  (2/9)   *  x^(2/7)  *  x^(3/7)   =

 

18x^(5/7)

 

ab =   18  ( 5/7)   =    90  / 7

 

 

cool cool cool

 Jun 16, 2021

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