What is the binary value of the hexadecimal number 0x2F? You should carry out this calculation manually rather than use a calculator. The MSB is on the left and you should pad your answer to 8 digits...

What is the binary value of the hexadecimal number 0x2F? You should carry out this calculation manually rather than use a calculator. The MSB is on the left and you should pad your answer to 8 digits if it is less than 8 bits long. If 3t - 7 = 5t, then 6t = A. 21 B. -7 C. -21 D. -42