The decimal equivalent of hexadecimal $1E$ is

A$)3510$

B$)3010$

C$)2910$

D$)2110$

The decimal equivalent of binary $10111110$ is

A$)19010$

B$)20010$

C$)18610$

D$)19810$

Convert the binary number $0001\mathrm{.}0010$ to decimal.

A$)1\mathrm{.}20$

B$)1\mathrm{.}40$

C$)1\mathrm{.}125$