I need help with binary questions for my homework, will thumbs up for right answers...

Question 22 1 pts Write out the 8 bit binary number for the hexadecimal number 53. Question 23 1 pts Assume that 0101 0011 represents a positive integer. What is the number in base 10 Question 24 1 pts What is the one's complement of 0101 0011 if it were a negative number? Question 25 1 pts What is the two's complement of 0101 0011, and what number does it represent in base 10 if it were a negative number