To solve this expression correctly, follow the standard order of operations:
7 + 21 ÷ 7 × 0 + 4
Division and multiplication come before addition and are completed from left to right.
First:
21 ÷ 7 = 3
Then:
3 × 0 = 0
The expression becomes:
7 + 0 + 4 = 11
The correct answer is 11.
A common mistake is ignoring the multiplication by zero or completing the operations in the wrong order.
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