The Quotient Rule of Exponents states that when dividing two powers with the same base, you subtract the exponents.
So, applying the Quotient Rule of Exponents to simplify 9^8 ÷ 9^6, we subtract the exponents:
9^8 ÷ 9^6 = 9^(8-6) = 9^2.
Therefore, an equivalent expression for 9^8 ÷ 9^6 is 9^2.