Sheet $2($CLO $1\mathrm{.}1)-3$ marks Q$1$: Propose an infix expression composed by at least $7$ operands Q$2$: convert the specified infix expression into postfix expression $(1$ mark$)$ Q$3$: Evaluate the resulted postfix expression $(0\mathrm{.}5$ mark$)$ Q$4$: convert the specified infix expression into prefix expression $(1$ mark$)$ Q$5$: Evaluate the resulted prefix expression $(0\mathrm{.}5$ mark$)$ Very important Any two student with the same work will be evaluated to zero $($choose your own expression$)20212022$ your submission will be evaluated against plagiarism