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Find the cardinality of the given sets.
1. {a, b, c, d, e}
2. {2*4,6,8... 20}
3. Set of colors of the rainbow
4. Set of distinct letters of the word LOVELY
5. Set of all 2-digit numbers​


Sagot :

Answer:

2.10

Step-by-step explanation:

because the count is 2 4 6 8 10 20

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