aplicando as propriedades das potencias escreva as expressoes 125^6 x 25^ -3

                                                                                                                          (5^2)^ -3 x 25^7

Resposta :

 

 

 5^3^6 x 5^2^(-3)      =>   5^18  x 5^-6     =>       5^12    =>   5^(12-8)    =  5^4

     5^-6 x 5^2^7                 5^-6 x 5^14                  5^8

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