The result of multiptication of the numbers (10101)2 and (11101)2 (10101)2 = (21)10 (11101)2 = (29)10 Multiplication of (21)10 × (29)10 = (609)10 (609)10 is equivalent to hexadecimal = (261)16 So, the output of the (10101)2x(11101)2 in hexadecimal = 261