By the way your question was asked, the unit rate would be one foot per inch, or a 1ft:1in ratio.
8! - 6!
Evaluate the factorials.
40320 - 720
Subtract.
39600.
The expression (8!) - (6!) is equal to <u>39600.</u>
<u></u>
⭐ Answered by Hyperrspace (Ace) ⭐
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-18 because the positive goes to negative