(a) express the number (01110110)2 (a number in binary system or base 2, into base 10 (decimal). (b) express the number (67)10 (a number in decimal system or base 10) into base 2 (binary). (c) execute the following operations with the binary numbers given and check your results by converting each of the numbers to their decimal (base 10) equivalents. 101011 + +111011 +010101 (d) x l 010 (e) how would a computer store the floating-point numbers -0.125 and 15.25 in eight bits?