If A = {1/1, 1/2, 1/3,...,1/10} how many subsets does A have?

Guest Sep 1, 2019

edited by
Guest
Sep 1, 2019

edited by Guest Sep 1, 2019

edited by Guest Sep 1, 2019

#1**+2 **

If a set has n elements, then it possesses 2^n subsets [including the empty set ]

To see this....consider that every element is either in or out of a subset....so....each element has two " states of being"

So....for n elements, we have 2*2*2*2..... = 2^n subsets

So.....we have 10 members of set A

So....it possesses 2^10 = 1024 subsets

CPhill Sep 1, 2019