What is the advantage of writing expressions in postfix form over infix form? Convert the

following expressions into postfix form: $($a$)$ a $^$ b $^$ c $($b$)$ a $+$ b $-$ c $*$ d $/$ e $($c$)$ a $/$ b $*$ c $+$ d $$ e

$($where $^$ represents the exponentiation operator$).$