If we assume that 7 billion people have been shuffling cards once a second for the past 700 years, that will be way more than the actual number of times cards have been shuffled.
Also, the modern deck of 52 playing cards has been around since 1300 A.D. Currently, there are between 6 and 7 billion people in the world. How many times have cards been shuffled in human history? We can round off and write it like this: 8.0658X1067. A mathematical way of representing all those numbers multiplied together is called the factorial (See description on MathWorld), so we could write this as 52!, which means the same thing. What about a whole deck? We just multiply the possibilities for each of the 52 positions, which is 52 50 = 132600 different possibilites for three cards in order.How many different possible combinations are there for three cards in order? We just multiply how many possibilities there were for the first position (52) with the possibilities for the second position (51) with the possibilities for the third position (50). If we stop there, and just fill up the first three spots, that’s like asking how many different possibilites there are for dealing three cards in order. And for the third spot, we only have 50 choices. What about the second spot? Now that you’ve already chosen a card for the first spot, there are only 51 cards left, so there are only 51 different possibilities for the second spot. How many different possibilities are there for what could go in the first spot? The answer is 52 – any of the 52 cards could go there. Imagine an “ordering of cards” as 52 empty spots to be filled: For example, I shuffled a deck of cards this afternoon, and my friend Adam split the deck, and this is the order that the cards came out it. OK, fine, Fluffy is invited too.Įvery time you shuffle a deck of playing cards, it’s likely that you have come up with an ordering of cards that is unique in human history. Finish your day with some solo time, and save the chitchat for the a.m. You know what doesn’t? Arguing with your husband about whose turn it is to take the car in for inspection. You know what helps you relax? House of Cards. Just us, or is there a ton of social pressure to turn meals into a group affair? If your pals invite you lunch, but you’d rather just brown-bag it in the park, don’t feel shy about turning down the offer. At the very least, it’ll give you something to talk about the next time you’re caught in an uncomfortable social situation. Pop out to a museum at lunch, read an article about lady truck drivers, listen to a podcast about the Greek economy. Give yourself permission not to answer every message the instant it comes in and we promise you’ll be better prepared to deal with the onslaught. (Or closing your eyes and repeating your mantra.) The agenda: Walking loops around the block. Just you and Beyoncé for miles and miles… Keep your workouts to yourself and consider it restorative for both your mind and body. Here, eight things to do to stay sane on the days that challenge you the most.įor you, hell is a crowded Soul Cycle class where everyone’s in competition. Dear introverts: It’s a people-infused world out there and, sometimes you gotta find ways to skip the small talk, ditch the networking event and get a little restorative you time.
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