Информатика: Решите пожалуйста,спасибо

1. $1100110_{2} = 2^{6}+ 2^{5}+2^{2}+2^{1}= 102_{10}$
2. $123_{8} =1*8^{2}+2*8^{1}+3*8^{0}= 83_{10}$
3. $1BD_{16}=1*16^{2}+11* 16^{1}+13*16^{0}= 445_{10}$
4. $11100101_{2} =345_{8}$
5. $155_{10} =10011011_{2}$
6. $48_{10} = 60_{8}$
7. $156_{10} = 9C_{16}$
8. $573_{8} = 101111011_{2}$
9. $1011001110_{2} = 2CE_{16}$
10. $1A7_{16}= 110100111_{2}$