Question 890673
Perform the given set operation. Let 
U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.
 (Enter your answers as a comma-separated list. Enter EMPTY or Ø for the empty set.)
 {1, 3, 7} ∪ {2, 5, 8} = {1,2,3,5,7,8}
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Cheers,
Stan H.