1) 32 = 2^5, 4 = 2^232 : 4 = 2^(5-2) = 2^3 = 8
2) 8 = 2^3, 2 = 2^18 : 2 = 2^(3-1) = 2^2 = 4
3) 64 = 2^6, 4 = 2^264 : 4 = 2^(6-2) = 2^4 = 16
4) 32 = 2^5, 2 = 2^132 : 2 = 2^(5-1) = 2^4 = 16
5) 2^(2n) : 2^n = 2^(2n-n) = 2^n
1) 32 = 2^5, 4 = 2^2
32 : 4 = 2^(5-2) = 2^3 = 8
2) 8 = 2^3, 2 = 2^1
8 : 2 = 2^(3-1) = 2^2 = 4
3) 64 = 2^6, 4 = 2^2
64 : 4 = 2^(6-2) = 2^4 = 16
4) 32 = 2^5, 2 = 2^1
32 : 2 = 2^(5-1) = 2^4 = 16
5) 2^(2n) : 2^n = 2^(2n-n) = 2^n