question 20

select the expression that is correctly evaluated.

$2^3 = 6$

$(-5)^3 = -125$

$(-3)^2 = -9$

$10^2 = 20$

Question

question 20

select the expression that is correctly evaluated.

$2^3 = 6$

$(-5)^3 = -125$

$(-3)^2 = -9$

$10^2 = 20$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Exponentiation Rules" ], "new_concepts": [], "current_concepts": [ "Exponentiation Rules", "Integer Multiplication" ] } ## Evaluate each exponential expression $$ \begin{aligned} 2^3 &= 2 \times 2 \times 2 = 8 eq 6 \ (-5)^3 &= (-5) \times (-5) \times (-5) = 25 \times (-5) = -125 \ (-3)^2 &= (-3) \times (-3) = 9 eq -9 \ 10^2 &= 10 \times 10 = 100 eq 20 \end{aligned} $$ ## Identify the correct equation $$ (-5)^3 = -125 $$

(A) $2^3 = 6$

(B) $(-5)^3 = -125$

(C) $(-3)^2 = -9$

(D) $10^2 = 20$

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Exponentiation Rules" ] }

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Question

Explanation:

Evaluate each exponential expression

Identify the correct equation

Answer: