binary 0000 0001 0010 0011 0100 0101 0110 0111 decimal 0 1 2 3 4 5 6 7 hexadecimal 0 1 2 3 4 5 6 7 binary 1000 1001 1010 1011 1100 1101 1110 1111 decimal 8 9 10 11 12 13 14 15 hexadecimal 8 9 A B C D E F 6AF2(h) = 0110 1010 1111 0010 (b) Hit the "Back" button.