$-.(5$pts$)$ Convert the following BNF to EBNF

convert the following BNF to EBNF?

expr $$ exprt term $|$ term

term $$ term $*$ power $|$ term & power $|$ power

power $$ factor$^$ power I factor

foctor $($expr$)|$ number

number $$ number digit $|$ digit

dight $0|1|2|3|4|5|6|7|8|9|$