Multiple choice The Postfix equivalent of the prefix * + a b - c d, is ab+cd-* abcd+-* ab+cd* ab+-cd* Reveal answer Fill a bubble to check yourself A Correct answer Explanation To convert prefix to postfix, evaluate step by step. Prefix * + a b - c d means multiplying (+ a b) by (- c d). In postfix, this becomes (a b +) (c d -) *, matching option A.