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\frac{40320}{0!\times 8!}
The factorial of 8 is 40320.
\frac{40320}{1\times 8!}
The factorial of 0 is 1.
\frac{40320}{1\times 40320}
The factorial of 8 is 40320.
\frac{40320}{40320}
Multiply 1 and 40320 to get 40320.
1
Divide 40320 by 40320 to get 1.
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