정답
$x^{-n} = \frac{1}{x^n}$ (for $x \neq 0$).
해설
A negative exponent indicates the reciprocal of the base raised to the positive power: $\left(\frac{a}{b}\right)^{-n} = \left(\frac{b}{a}\right)^n$.
홈 / 라이브러리 / Digital SAT: Comprehensive Practice (Math & Reading-Writing) / AI 플래시카드
What is the exponent rule for negative exponents: $x^{-n}$?
덱 'Digital SAT: Comprehensive Practice (Math & Reading-Writing)'의 플래시카드.