Answer:
39364
Step-by-step explanation:
You can simplify the equation to make 4(1+3+9...) The nth term is therefore so u can substitute that into the equation so 4(..). This would simplify to 4(+). By simplifying this, you can make it so 4() = 4(4+36+324+2916+6561) =39364
440 in^2 is the surface area