Posted by mandy on Wednesday, April 2, 2014 at 12:06pm.
Given a set with n elements has 2^n subsets.Find the number of subsets for set A={2,3,5,7,11}.

math  Steve, Wednesday, April 2, 2014 at 12:23pm
well, how many elements in A?

math  mandy, Wednesday, April 2, 2014 at 12:35pm
Oh thanks..its 2^5=32..

math  Steve, Wednesday, April 2, 2014 at 12:59pm
correct. The power set of A P(A) is the set of all subsets of A. These would be
{}, {2}, {3},...{2,3},{2,5},... and so on up to A itself.
Answer This Question
Related Questions
 algebra  How many sets are subsets of set B? List the subsets of set B. Which ...
 Math  3 questions if you can help me. 1. Calculate the number of subsets and ...
 Math  3 questions if you can help me. 1. Calculate the number of subsets and ...
 Math  How many subsets of a set with 100 elements have more than one element? ...
 Math  Let n be any counting number. Using the two questions above as a guide, ...
 Math  I'm new to this but.. how many subsets does a five element have. How many...
 math  Let Pn be the set of all subsets of the set [n]={1,2,…,n}. If two ...
 Math(combinations) Help  Let Pn be the set of all subsets of the set [n]={1,2...
 math  for a set of three elements find the number of different subsets of 2 ...
 math please helppppppp  For a set of numbers T, we say that T has distinct ...
More Related Questions