Kiara tried to evaluate an expression. Here is her work:
53–[3+24÷(8–4)2]
=
53–[3+24÷42] Step 1
=
53–[3+62] Step 2
=
53–[3+12] Step 3
=
53–15 Step 4
=
125–15 Step 5
=
110 Step 6
Is Kiara's work correct?
No, Kiara made a mistake going from the given expression to Step 1. Kiara should have divided 24 by 8 instead of subtracting. The order of operations says to divide before you subtract.
No, Kiara made a mistake going from Step 1 to Step 2. Kiara should have multiplied 4 and 2 before dividing. The order of operations says to multiply before you divide.
Yes, Kiara's work is correct.
Submit



Questions Kiara tried to evaluate an expression. Here is her work:
53–[3+24÷(8–4)2]
=
53–[3+24÷42] Step 1
=
53–[3+62] Step 2
=
53–[3+12] Step 3
=
53–15 Step 4
=
125–15 Step 5
=
110 Step 6
Is Kiara's work correct?
No, Kiara made a mistake going from the given expression to Step 1. Kiara should have divided 24 by 8 instead of subtracting. The order of operations says to divide before you subtract.
No, Kiara made a mistake going from Step 1 to Step 2. Kiara should have multiplied 4 and 2 before dividing. The order of operations says to multiply before you divide.
Yes, Kiara's work is correct.
Submit



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