[tex]\text{Hey there!}[/tex]
[tex]\bf{-4^2=-4\times-4=16}\\\bf{You\ factor\ out\ the\ exponent\ by\ multiplying.\ Like\ how\ I\ did.}\\\\\\\\\boxed{\boxed{\text{Answer: 16}}}\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{LoveYourselfFirst:)}[/tex]