solve a and check on the remaining please

Question 4 - (4 points): (a) Express the decimal number 220.48 in Single-Precision Floating point notation (b) Express the decimal number 819 in BCD code 1000 000 11001 (c) Express the binary number 1110 in Gray Code I loal lld ol to make it an even parity? (d) For the binary number 110101 , what is the correct bit to add to make it an even parity? 1101010