Ответ:\(101_2=1\cdot2^2+0\cdot2^1+1\cdot2^0=4+0+1=5_{10}\).\(11_2=1\cdot2^1+1\cdot2^0=2+1=3_{10}\).\(10_2=1\cdot2^1+0\cdot2^0=2_{10}\).