$$ 1 \leftarrow $$ Simplify the expression. Write the answer using only positive exponents. $$ \frac{9^{5} \cdot 9^{-6}}{9^{-8}} $$ $$ \frac{9^{5} \cdot 9^{-6}}{9^{-8}}=\square $$ (Type exponential notation with positive exponents.)

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Let's simplify the given expression step by step:

$$
\frac{9^{5} \cdot 9^{-6}}{9^{-8}}
$$

1. **Combine the exponents in the numerator:**

$$
9^{5} \cdot 9^{-6} = 9^{5 + (-6)} = 9^{-1}
$$

2. **Divide by $$9^{-8}$$:**

$$
\frac{9^{-1}}{9^{-8}} = 9^{-1 - (-8)} = 9^{7}
$$

Since the exponent $$7$$ is positive, the simplified expression with only positive exponents is:

$$
9^{7}
$$

**Answer:**  
$$ 9^{7} $$
$$ 9^{7} $$

\( 1 \leftarrow \) Simplify the expression. Write the answer using only positive exponents. \( \frac{9^{5} \cdot 9^{-6}}{9^{-8}} \) \( \frac{9^{5} \cdot 9^{-6}}{9^{-8}}=\square \) (Type exponential notation with positive exponents.)

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