Question

O valor de (0,2) elevado a 3 + (0,16) elevado a 2 é ?

Answer 1

$

Ola Luiz

(1/5)^3 + (4/25)^2 =

1/125 + 16/625 = 5/625 + 16/625 = 21/625 

pronto

Answer 2

$\sf \left(0,\:2\right)^3+\left(0,\:16\right)^2\\\\\\\sf 0.2^3=0.008\\\\\\\sf =0.008+0.16^2\\\\\\\sf 0.16^2=0.0256\\\\\\\sf =0.008+0.0256\\\\\\\sf 0.008+0.0256=0.0336\\\\\\\sf \to \boxed{\sf =0.0336}$