Problem 1128

Determine which symbol  belongs  in the blank to make the statement true.

{7, -2, 0}_____(0, 7, 8 -2, 9)

 

Solution:-

 

Every element of {7, -2, 0} is an element of {0,7, 8, -2, 9}, so {7, -2, 0} is a subset of {0, 7, 8, -2, 9}.

The correct expression is  {7, -2, 0} ⊆ {0, 7, 8,-2, 9}.

 

 

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