Răspuns :
[tex]2^{x+2}=16^2\\
2^{x+2}=(2^4)^2\\
2^{x+2}=2^8\\
x+2=8=\ \textgreater \ x=6[/tex]
[tex]2^{x+2}=16^2 \\ 2^{x+2}=(2^4)^2 \\ 2^{x+2}=2^8 \\ x+2=8 \\ x=8-2 \\ \boxed{x=6}[/tex]