Advanced Math practice question

Answer: A. x³

Multiplying powers of the same base adds the exponents: −2 + 5 = 3, so x³.

Why the other answers are wrong

B. x⁻¹⁰

x⁻¹⁰ MULTIPLIES the exponents; multiplying powers adds them.

C. x⁷

x⁷ adds 2 + 5, ignoring the minus sign on the 2.

D. 1/x³

1/x³ = x⁻³ has the wrong sign; −2 + 5 = +3.

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