Question

b=8 la puterea n plus 2 împărțit la 2 la puterea 3n​

Answer 1

$b=8^{n+2}:2^{3n}\\b=(2^3)^{n+2}:2^{3n}\\b=2^{3n}*2^6:2^{3n}\\b=2^6\\b=64$

Answer 2

$b=8^{n+2}:2^{3n}=(2^3)^{n+2}:2^{3n}=\\ =2^{3n+6}:2^{3n}=2^{3n+6-3n}=2^6=64$