The first question:

Convert the binary number $2(10001101)$ to the following number systems: octal, decimal and hexadecimal?

second question:

Convert the octal number $8(55)$ to the following binary, decimal and hexadecimal number systems?

The third question:

Convert the decimal number $10(10294)$ to the following binary, octal and hexadecimal number systems?

the fourth question:

Convert the hexadecimal number $16($A$3$D$)$ to the following binary, octal and decimal number systems?