Emmet tried to evaluate an expression. Here is his work:
4+12÷42–123
=
[4+12÷(16–12)]3 Step 1
=
[4+12÷4]3 Step 2
=
[4+3]3 Step 3
=
73 Step 4
=
21 Step 5
Is Emmet's work correct?
No, Emmet made a mistake going from Step 1 to Step 2. Emmet should have added 4 and 12 instead of subtracting. The order of operations says to add and subtract from left to right.
No, Emmet made a mistake going from Step 3 to Step 4. Emmet should have multiplied 3 by 3 before adding. The order of operations says to multiply before you add.
Yes, Emmet's work is correct.
Submit



Questions Emmet tried to evaluate an expression. Here is his work:
4+12÷42–123
=
[4+12÷(16–12)]3 Step 1
=
[4+12÷4]3 Step 2
=
[4+3]3 Step 3
=
73 Step 4
=
21 Step 5
Is Emmet's work correct?
No, Emmet made a mistake going from Step 1 to Step 2. Emmet should have added 4 and 12 instead of subtracting. The order of operations says to add and subtract from left to right.
No, Emmet made a mistake going from Step 3 to Step 4. Emmet should have multiplied 3 by 3 before adding. The order of operations says to multiply before you add.
Yes, Emmet's work is correct.
Submit



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