Q$1$ Convert the binary number $11011$ to decimal and then to octal

Q$2$ Convert the decimal number $18$ to binary

Q$3$ Convert the binary number $10110\mathrm{.}10$ to octal

Q$4$ Convert the decimal number $116\mathrm{.}47$ to octal and sixteenths

Q$5$ Convert the sixteenth number $2$BC$4$ to decimal