Question

O valor de (0,2)³ + (0,16)² é:
a) 0,0264
b) 0,0336
c) 0,1056
d) 0,2568
e) 0,6256

Answer 1

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

Resposta: opção(B)

Answer 2

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