It is 007E.
fe
The decimal equivalent is 298.
It is 15H.
Each 4-digit string of binary digits is equivalent to 1 single hexadecimal digit.
2f
It is 007E.
The binary number 01011010 is 005A in hexadecimal.
1,016 converted from decimal to hexadecimal notation equals 3F816.
If the expression in the question is a hexadecimal number, the equivalent decimal value is 16,664,843. If it was not a hexadecimal number, maybe you should have thought about stating what it was.
The space character in ASCII is CHR(32), so in HEX, that would be 0x20
fe
It is A.
D29B
It is 2.
The answer is 91.
1101111010101101 in binary is equal to DEAD in hexadecimal.