Which equation is equivalent to..

Answer:
D
Step-by-step explanation:
[tex]1/3)^{x}[/tex] = [tex]\frac{1}{3^{x} }[/tex] = [tex]3^{-x}[/tex]
and
[tex]27^{x+2}[/tex] = [tex](3^{3})^{x+2}[/tex] = [tex]3^{3(x+2)}[/tex] = [tex]3^{3x+6}[/tex]
Hence expression D is equivalent