Do all manually and show work

Convert the following hexadecimal numbers to decimal: 7) AS9 8) A7E Convert the following decimal numbers to binary: 9) 10) 64 215 Convert the following decimal numbers to hexadecimal 11) 244 12) 97 Show how to represent the following negative numbers using sign & magnitude: 13) 111 14) -49 Show how to represent the following negative numbers using 2's complement: 15) 57 16) -155 17) Prove that there is only one "O" value in 2s complement. 18) What is the biggest unsigned number that can fit in 9 bits