question 1 (2.5 points)

evaluate: $mc^2$ when $m = 4$ and $c = 8$

- 112
- 256
- 64
- 32

Question

question 1 (2.5 points)

evaluate: $mc^2$ when $m = 4$ and $c = 8$

- 112
- 256
- 64
- 32

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Algebraic Evaluation", "Order of Operations" ], "new_concepts": [], "current_concepts": [ "Algebraic Evaluation", "Order of Operations" ] } ## Substitute the given values into the expression $$ \begin{aligned} &m = 4,\quad c = 8\ &mc^2 = 4 \cdot 8^2 \end{aligned} $$ ## Evaluate the exponent first $$ \begin{aligned} &8^2 = 64\ &4 \cdot 8^2 = 4 \cdot 64 \end{aligned} $$ ## Multiply the remaining values $$ 4 \cdot 64 = 256 $$

112

256

64

32

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Algebraic Evaluation" ] }

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QUESTION IMAGE

Question

Explanation:

Substitute the given values into the expression

Evaluate the exponent first

Multiply the remaining values

Answer: