Use a 12-bit floating point format with the following structure: 1 bit is allocated to the sign, 5 bits are allocated to the exponent, and the remaining 6 bits are allocated to the fraction. assume this format still follows the ieee 754 standard. a. represent (-8.25) 10 in this format. b. what decimal number does (01101000)z represent? c. represent 0.00012 x 2-6 in this format.