2. Order of Operations and Evaluating Expressions
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Pay close attention to the order of operations.
C
According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last. For the given expression, this means evaluating the quotient first and the sum of resulting terms next.
| Operation | Before Simplification | After Simplification |
|---|---|---|
| Calculate quotient | 4+ 10 ÷ 4 +6 | 4+ 2.5 +6 |
| Add terms | 4+ 2.5 +6 | 6.5 +6 |
| Add terms | 6.5 + 6 | 12.5 |
The expression equals 12.5. Therefore, the correct answer is C.