Respostas

  • Usuário do Brainly
2013-02-26T22:36:29-03:00

Observe que:

 

(0,2)^3=(0,2)\cdot(0,2)\cdot(0,2)=2^3\cdot10^{-3}=8\cdot\dfrac{1}{1~000}=0,008

 

(0,16)^2=(0,16)\cdot(0,16)=16^2\cdot10^{-4}=256\cdot\dfrac{1}{10~000}=0,0256

 

Logo, podemos afirmar que:

 

(0,2)^3+(0,16)^2=0,008+0,0256=0,0336

7 5 7