Your friends do not believe that your crazy large number is correct. What would you tell them is the reason for the math you used as it relates to counting all the different orders in which the cars could cross the finish line. (Include details about why order matters and why repetition is not allowed.)
Added by Kristen G.
Step 1
Start by telling your friends that when counting the different ways cars can cross the finish line, we are interested in the order in which they finish. This is because finishing in a different order represents a different outcome in a race. Show more…
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