Question

o valor de (0,2)3 +(0,16)2 e qual a 0,0264 b 0,1056 c 0,0336 d 0,2568 e qual

Answer 1

entre os parenteses tem conta de veses

0,2 x 3= 0,6

0,16 x 2= 2,12

0,6 + 2,12 = 2,72

Answer 2

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