SOLUTION: let A={1.2}, B={3,4}. Write A X B. How many subsets will A X B have? list them.

Algebra.Com
Question 865570: let A={1.2}, B={3,4}. Write A X B. How many subsets will A X B have? list them.
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
A × B =  {1.2} × {3,4} = {(1,3),(1,4),(2,3),(2,4)}

Subsets are

 1.  ⌀ or { }
 2.  {(1,3)}
 3.  {(1,4)}
 4.  {(2,3)}
 5.  {(2,4)}
 6.  {(1,3),(1,4)}
 7.  {(1,3),(2,3)}
 8.  {(1,3),(2,4)}
 9.  {(1,4),(2,3)}
10.  {(1,4),(2,4)}
11.  {(2,3),(2,4)}
12.  {(1,3),(1,4),(2,3}}
13.  {(1,3),(1,4),(2,4}}
14.  {(1,4),(2,3),(2,4}}
15.  {(1,3),(1,4),(2,3}}
16.  {(1,3),(1,4),(2,3},(2,4)}

Edwin

RELATED QUESTIONS

Let A = {1, 2, 3, 4, 5, 6}. (a) How many subsets of 4 elements does the set A have?... (answered by ikleyn)
Let A = {1, 2, 3, 4, 5, 6, 7}. How many subsets does A... (answered by stanbon)
1. List all the subsets of { 8, 16, 27, 31} 2. Determine the number of... (answered by stanbon)
Let A equals={14,15,16,17,18,20}. a. How many subsets does A​ have? b. How many... (answered by math_helper,ikleyn)
Let A= {1, 2, 3, 4, 5, 6, 7, 8, 9, 0}. How many subsets does set A... (answered by jim_thompson5910)
Let A = {1, 2, 3, 4, 5, 6, 7}. How many TWO element subsets does A... (answered by richard1234)
Given A = {1, 2, 3}, B = {2, 4, 6}, C = {1, 2, 3, 4, 5, 6, 7, 8} list all of the subsets (answered by 0221462)
how many subsets does (a,b,c)... (answered by jim_thompson5910)
How many subsets does E={a,b}... (answered by Fombitz)