1) 8 2^-4 = 8 (1/2^4) = 8 * (1/16) = 8/16 = 1/2 = 2^-1
2) (2^-1)^5:16 = 2^(-1*5):16 = 2^-5:16 = 1/2^5:16 = 1/32:16 = 1/2
3) 4^-2:2^-6 = (1/4^2) / (1/2^6) = (1/16) / (1/64) = (1/16) * (64/1) = 64/16 = 4 = 2^2
4) 16^3:(4^-2)^-3 = 2^4^3: (2^2)^-3 = 2^12:2^-6 = 2^12 * 2^6 = 2^18 = 262144
1) 8 2^-4 = 8 (1/2^4) = 8 * (1/16) = 8/16 = 1/2 = 2^-1
2) (2^-1)^5:16 = 2^(-1*5):16 = 2^-5:16 = 1/2^5:16 = 1/32:16 = 1/2
3) 4^-2:2^-6 = (1/4^2) / (1/2^6) = (1/16) / (1/64) = (1/16) * (64/1) = 64/16 = 4 = 2^2
4) 16^3:(4^-2)^-3 = 2^4^3: (2^2)^-3 = 2^12:2^-6 = 2^12 * 2^6 = 2^18 = 262144