Simplify the expression. Write your answer as a power.
((-3)²)⁴
The simplified expression is

[tex]\large{\sf \boxed{(\sf -3)^8}}[/tex]
[tex]\rightarrow \sf ((-3)^2)^4[/tex]
apply exponent rule: [tex]\sf \bf \left(a^b\right)^c=a^{bc}[/tex]
[tex]\rightarrow \sf (-3)^8[/tex]