3. Perform the following conversions (easiest to go through binary for c and dl): (1 point) a. Convert the hex number BA5E16 to binary b. Convert the octal number 672, to binary C. Convert the hex number E7F, to octal d. Convert the octal number 642s to hex 4. Perform the following conversions, assuming 8 bits for the representations: (1 point) a. Convert -3710 to binary using two's complement notation b. Convert -7910 to binary using sign magnitude notation 5. Convert the following fractional numbers between binary and decimal: (1 point) a. 101101.1012 to decimal b. 36.37510 to binary