100011 = 2^5*1 + 2^4*0 + 2^3*0 + 2^2*0 + 2^1*1 + 2^0*1 = 32 + 0 + 0 + 0 + 2 + 1 = 35
2)110111 = 2^5*1 + 2^4*1 + 2^3*0 + 2^2*1 + 2^1*1 + 2^0*1 = 32 + 16 + 0 + 4 + 2 + 1 = 55
3)10000001 = 2^7*1 + 2^6*0 + 2^5*0 + 2^4*0 + 2^3*0 + 2^2*0 + 2^1*0 + 2^0*1 = 128 + 0 + 0 + 0 + 0 + 0 + 0 + 1 = 129
