SOLUTION: State whether set A and B are equal, equivalent, both, or neither.
A = {9, 8, 7} B = {8, 9, 10}
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Question 202397: State whether set A and B are equal, equivalent, both, or neither.
A = {9, 8, 7} B = {8, 9, 10}
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Equivalent sets have the same number of elements. Equal sets have the exact same elements.
and 
are equivalent.
and 
are equal (order doesn't matter - a set is a bag of stuff rather than an ordered list)
Note that 'Equal' and 'Both' are really the same answer. In other words, two sets cannot be equal without also being equivalent. But equivalence alone does not imply equality.
One more example:
and 
are neither equal nor equivalent.
John
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