9. Convert (a) (70007), to its binary expansion (b) (111110001)2 to its hexadecimal expansion (c) (1301) 10 to its binary expansion (d) (1010111101)2 to its octal expansion (e) Suppose using base b, we have (d04)0 = (22)6+(32)6, where d is some digit. Find b and d. Show your work