$1\mathrm{.}9$ Express the following manibers in decimak?

$(a{)}^{**}(101100101{)}_2$

$(1)(16\mathrm{.}5)+16$

$($c$)(26\mathrm{.}2{)}_8$

$(4)$ DADA.B$)$

$($e$)(1010\mathrm{.}1101)?$