1) 3^n * 2^n * 2^2 = 864
4 * 6^n = 864
6^n = 864:4
6^n = 216
6^n = 6^3
n=3
2) (4^n)^2 * (3^(n+1))^4 = 104976
16^n * 3^(4n+4) = 104976
16^n * 81^n * 81 = 104976
(16*81)^n = 1296
1296^n = 1296
n=1
3) (8^n)^2 * 4^3n = 4096
2^6n * 2^6n = 2^12
2^12n = 2^12
12n=12
n=1
(64*256)^n = 4096