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questionedithistorytranslations
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flag English language

What is the value of 0! (zero factorial)?
0
1
infinity
this operation can't be done
The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example: 5! = 5 × 4 × 3 × 2 × 1 = 120. The value of 0! is 1, according to the convention for an empty product. The notation n! was introduced by the French mathematician Christian Kramp in 1808.
Ninjai
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wikipedia → Factorial
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flag Polish language

Ile wynosi 0! (Zero silnia)?
0
1
Nieskończoność
Działanie niewykonalne
Wynik to ilość sposobów na uporządkowanie zbioru pustego czyli 1. Silnią liczby naturalnej n (w notacji matematycznej: n!, co czytamy „n silnia”) nazywamy iloczyn wszystkich liczb naturalnych nie większych niż n. Oznaczenie n! wprowadził w 1808 roku Christian Kramp.
Marcin Bodziechowski
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