how to calculate C(7,0)?
3 answers
What do you think?
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" one of the choices ?
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" one of the choices ?
https://www.google.com/search?q=combinations+formula&ie=utf-8&oe=utf-8&client=firefox-b-1-ab