Asked by Mitchell

how to calculate C(7,0)?
Answered by Ms. Sue
What do you think?
Answered by Reiny
By definition 0! =1
So now just follow the rule for C(7,0)

or

you have 7 items. In the number of ways of choosing any number of items, isn't "taking none of them" <b>one</b> of the choices ?
Answered by Damon
https://www.google.com/search?q=combinations+formula&ie=utf-8&oe=utf-8&client=firefox-b-1-ab
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