Represent the denary number 255 as a hexadecimal number.
FF
255
1515
A8
Represent the octal number 457 as a binary number
1111 1111 1111 1111
0101 0101 0101 0101
0000 0001 0010 1111
98
Represent the hexadecimal number 2AA as an octal number
277
1252
344
0100 1011