P$3.(10$ points$)$ Convert the following numbers to decimal:

A$.{1111010}_2$

B$.{1101}_z$

C$.{1110}_z$

D$.{123}_{18}$

E$.CA{D}_{10}$

P$4.(10$ points$)$ Convert the following numbers to binary:

A$.28$

B$.115$

C$.127$

D$.271s$

E$.$ CoDE.