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Which of the following expressions is correctly written to add 2 and 3, then multiply the result by 4?

easy📝 Syntax Q12 of 15
C - Operators and Expressions
Which of the following expressions is correctly written to add 2 and 3, then multiply the result by 4?
A(2 + 3) * 4
B2 + (3 * 4)
C2 + 3 * 4
D2 * 3 + 4
Step-by-Step Solution
Solution:

  1. Step 1: Understand the desired calculation

    Add 2 and 3 first, then multiply by 4.

  2. Step 2: Check parentheses usage

    Only (2 + 3) * 4 uses parentheses to add 2 and 3 first, then multiply by 4.

  3. Final Answer:

    (2 + 3) * 4 -> Option A

  4. Quick Check:

    Parentheses change order to add first [OK]
Quick Trick: Use parentheses to force addition before multiplication [OK]
Common Mistakes:
  • Ignoring parentheses and trusting default precedence
  • Misreading the expression order
  • Assuming left to right overrides precedence

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