What is the outcome of the prefix expression +, −, *, 3, 2, /, 8, 4, 1 ?
2022
What is the outcome of the prefix expression +, −, *, 3, 2, /, 8, 4, 1 ?
- A.
12
- B.
11
- C.
5
- D.
4
Attempted by 495 students.
Show answer & explanation
Correct answer: C
Prefix expression:+ − * 3 2 / 8 4 1
Stepwise evaluation:
3 2 = 6
/ 8 4 = 2
− 6 2 = 4
4 1 = 5
Hence, the result is 5.