name:
numeracy assignment
1. use order of operations to simplify.
\24 + 18 \div (-3) - 2 \times 5\

Question

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [], "new_concepts": [ "Order of Operations", "Integer Arithmetic" ], "current_concepts": [ "Order of Operations", "Integer Arithmetic" ] } ## Simplify inside brackets (division and multiplication) $$ \begin{aligned} &18 \div (-3) = -6 \ &2 \times 5 = 10 \ &2[4 + (-6) - 10] \end{aligned} $$ ## Simplify inside brackets (addition and subtraction) $$ \begin{aligned} &4 - 6 - 10 = -2 - 10 = -12 \ &2[-12] \end{aligned} $$ ## Multiply by the outer coefficient $$ 2 \times (-12) = -24 $$ $-24$ { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Order of Operations" ] }

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Explanation:

Simplify inside brackets (division and multiplication)

Simplify inside brackets (addition and subtraction)

Multiply by the outer coefficient

Answer: