🎙️

How many distinct ways can we order these cards? We have 4 cards and none of them are duplicates.

🎙️

For the first card, we have 4 options as it can be any of the cards.

🎙️

For each of those first cards, we then have 3 options for the second card, because one card has already been set as the first card.

🎙️

Now, for each of those second cards, we have 2 remaining options that we can use for the third card.

🎙️

For each of those third cards, there is only 1 option remaining for our last card.

🎙️

This form, multiplying by a sequence of decreasing numbers is called a factorial. So we have 4 factorial.

🎙️

If we multiply these out, we have 24 distinct ways to order our cards.