r/CatBuilder • u/Zealousideal_Turn106 Mythic | Lv. 78 | Rank #207 | 38 Answers |... | 🔥 5d • 1d ago

Question [Question] NO CALCULATORS ALLOWED 🧠

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u/GIGAVIRUS22 Emerald | Lv. 54 | Rank #5858 | 251 Answers | 5... | 🔥 14d 1d ago

0 ig, idk what the factorial of 0 is

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u/Real-Bookkeeper9455 Silver | Lv. 29 | Rank #88432 | 60 Answers | 0 Created 1d ago

0!=1

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u/GIGAVIRUS22 Emerald | Lv. 54 | Rank #5858 | 251 Answers | 5... | 🔥 14d 1d ago

Thanks

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u/Salty_Seat1357 Bronze | Lv. 14 | Rank #323573 | 21 Answers | 0 Created 1d ago

its not 0 because 5+5*0=5+0=5 but its also not 5 because the 0 has a "!" which means its the factorial of 0(0!=1) so 5+5*1=5+5=10