Convert the following hexadecimal numbers to octal:

(a) 38AC

(b) 7FD6

(c) ABCD

Convert the following octal numbers to binary:

(a) 7642

(b) 7015

(c) 3576

(d) 705

Convert the following decimal numbers to hexadecimal:

(a) 206

(b) 3619

Convert the following binary numbers to octal

(a) 111010

(b) 110110101

(c) 1101100001