Answer:
[tex] \frac{ {6}^{9} }{ {6}^{9} } \\ = \frac{6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6 }{6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6} \\ = 1 \\ [/tex]