Math  /  Numbers & Operations

QuestionEmilia tried to evaluate an expression. Here is her work: 170(4+36÷232)=170(4+36÷29)=170(4+36÷18)=170(4+2)=1706= step 1164\begin{aligned} & 170-\left(4+36 \div 2 \cdot 3^{2}\right) \\ = & 170-(4+36 \div 2 \cdot 9) \\ = & 170-(4+36 \div 18) \\ = & 170-(4+2) \\ = & 170-6 \\ = & \text { step } 1 \\ & 164 \end{aligned}
Is Emilia's work correct?
No, Emilia made a mistake going from Step 1 to Step 2. Emilia should have divided 36 by 2 before multiplying. The order of operations says to multiply and divide from left to right.
No, Emilia made a mistake going from Step 3 to Step 4. Emilia should have subtracted 4 from 170 before adding. The order of operations says to add and subtract from left to right.
Yes, Emilia's work is correct.

Studdy Solution
Emilia's work is incorrect.
The correct answer is 44.

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