QuestionLuca tried to evaluate an expression. Here is his work:
Step 3
Step 4
Step 5
Is Luca's work correct?
No, Luca made a mistake going from Step 1 to Step 2. Luca should have divided 28 by 4 before adding. The order of operations says to divide before you add.
No, Luca made a mistake going from Step 3 to Step 4. Luca should have added 9 and 5 before subtracting. The order of operations says to add before you subtract.
Yes, Luca's work is correct.
Studdy Solution
Check Luca's steps against the correct order of operations:
Luca's steps were:
1.
2.
3.
4.
5.
Luca made a mistake going from Step 1 to Step 2. He should have divided by before adding. The correct result should be .
Luca's work is not correct. The correct result of the expression is:
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