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Middle Grades Mathematics 5–9

Question 7 of 29

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Competency 1—Knowledge of number sense, operations, and proportionality

DIRECTIONS: Read the question and select the best response.

Simplify the given expression.

open parentheses negative 3 x to the power of 2 n all over x to the power of 3 n times y close parentheses cubed

Choose an answer

^–27_xⁿy negative 27 over x to the power of n times y
^–27_x³ⁿy³ negative 27 over x to the power of 3 n times y cubed
^–9_xⁿy negative 9 over x to the power of n times y
^–9_x³ⁿy³ negative 9 over x to the power of 3 n times y cubed

Enter to expand or collapse answer.Answer expanded: Correct Response: B.