Q$2$: Convert $($up to $3$ decimal points$)$:

a$)(2309\mathrm{.}75{)}_{10}=(?{)}_{16}$

$[$i$.$e$.,$ convert to a Base$-16$ Number$]$

b$)(63\mathrm{.}15{)}_7=(?{)}_2[$i$.$e$.,$ convert to a Binary Number$]$

Q$3$: Convert $(1010111101\mathrm{.}1011101)2$ to:

pts$.$