What is the outcome of the prefix expression +, −, *, 3, 2, /, 8, 4, 1 ?

2022

Answer: C. 5 — 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.

1. A.

   12

2. B.

   11

3. C.

   5

4. D.

   4

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