3^(2n+2) 5^(n-2) / 45^(n+1) = 3^(2n+2) (5^4 / 45) (1/45)^n= 3^(2n+2) (625 / 45) (1/45)^n= 3^(2n+2) (125 / 9) (1/45)^n= 3^(2n+2) (125 / 9) (1/45)^(n)= 3^(2n+2) (125 / 9) * (1/45)^(n)
3^(2n+2) 5^(n-2) / 45^(n+1) = 3^(2n+2) (5^4 / 45) (1/45)^n
= 3^(2n+2) (625 / 45) (1/45)^n
= 3^(2n+2) (125 / 9) (1/45)^n
= 3^(2n+2) (125 / 9) (1/45)^(n)
= 3^(2n+2) (125 / 9) * (1/45)^(n)