Cjdjejfjiv5799 Cjdjejfjiv5799
  • 09-02-2024
  • Mathematics
contestada

Let A = 5, 4, 3, 2, 1 and B = 8, 5, 9, 4, 10, 11, 2, 12. What is the cardinality of the union of sets A and B?
1) 213
2) 13
3) 11
4) 7
5) 10

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