Question $7[10]$a$)$ Convert the following binary numbers to their decimal equivalents: i$.11100\mathrm{.}011$ ii$.110011\mathrm{.}10011$ iii. $1010101010\mathrm{.}101(6)$b$)$ Convert the following hexadecimal numbers to their binary equivalents: i$.$ D$52$ ii$.67$E iii. ABCD iv$.$ DF$5$A$4(4)$