evaluate. write your answer as a fraction or whole number without exponents. 3^{-2} =
evaluate. write your answer as a fraction or whole number without exponents. 3^{-2} =
Answer
Explanation:
Step1: Apply negative - exponent rule
According to the rule $a^{-n}=\frac{1}{a^{n}}$, for $3^{-2}$, we have $3^{-2}=\frac{1}{3^{2}}$.
Step2: Calculate the denominator
Calculate $3^{2}=3\times3 = 9$. So, $\frac{1}{3^{2}}=\frac{1}{9}$.
Answer:
$\frac{1}{9}$