1010 = 12^3 + 02^2 + 12^1 + 02^0 = 8 + 0 + 2 + 0 = 10
1101100 = 12^6 + 12^5 + 02^4 + 12^3 + 12^2 + 02^1 + 0*2^0 = 64 + 32 + 0 + 8 + 4 + 0 + 0 = 108
1010 = 12^3 + 02^2 + 12^1 + 02^0 = 8 + 0 + 2 + 0 = 10
1101100 = 12^6 + 12^5 + 02^4 + 12^3 + 12^2 + 02^1 + 0*2^0 = 64 + 32 + 0 + 8 + 4 + 0 + 0 = 108