The infix expression A + (B - C)* D is correctly represented in prefix…
2009
The infix expression A + (B - C)* D is correctly represented in prefix notation as
- A.
A + B − C ∗ D
- B.
+ A ∗ − B C D
- C.
A B C − D ∗ +
- D.
A + B C − D ∗
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Correct answer: B
To convert the infix expression A + (B - C) * D to prefix notation, follow these steps based on operator precedence: 1. Evaluate the innermost parentheses first: (B - C) becomes - B C in prefix. 2. Perform the multiplication next: The result from step 1 multiplied by D becomes * - B C D. 3. Finally, perform the addition: A added to the result from step 2 becomes + A * - B C D. Thus, the correct prefix notation is + A * - B C D.
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