Respostas

  • Usuário do Brainly
2013-02-15T23:32:56-02:00

a)

 

(2\text{x})^3=2^3(\text{x})^3=8\text{x}^3

 

b)

 

(-6\text{x}^2\text{y})^2=(-6)^2(\text{x}^2)^2(\text{y})^2=36\text{x}^4\text{y}^2

 

c)

 

(2\text{a}^4\text{b}^3)^4=(2)^4(\text{a}^4)^4(\text{b}^3)^4=16\text{a}^{16}\text{b}^{12}

 

 

2 3 2