Question

3) o valor de (0,2)3 + (0,16)2 é?

Answer 1

(0,2)³ + (0,16)²

0,008 + 0,0256

0,0336

Answer 2

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