Respostas

  • Usuário do Brainly
2013-05-31T23:08:11-03:00

Seja \text{x}=16^{1,25}

 

Observe que:

 

1,25=\dfrac{125}{100}=\dfrac{5}{4}

 

Logo:

 

\text{x}=16^{1,25}=16^{\frac{5}{4}}

 

Note que:

 

16^{\frac{5}{4}}=\sqrt[4]{16^5}=16\cdot\sqrt[4]{16}=16\cdot2=32.

 

Logo, \text{x}=16^{1,25}=32

 

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