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Factorial





 
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More Lessons for Algebra II

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Videos, worksheets, solutions and activities to help Algebra II students learn about factorials.

Factorials - Evaluating Factorials!
Basic Info on Factorials and some numerical examples are provided.
Factorial



Why zero factorial equals one.
Why does 0! equal one? This is weird! Multiply together all the digits from one up to zero and get one??? This video explains simply why mathematicians choose (and it is a choice!) to set this illogical quantity as equal to one.


 

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