Question

write the elements of the sets { seven numbers less than 10}​

Answer 1

Answer:

There are four elements in the set, and: The number of ways of selecting 0 elements from 4 = 4C1 = 1. The number of ways of selecting 1 element from 4 = 4C1 = 4. The number of ways of selecting 2 elements from 4 = 4C2 = 6.

Answer 2

Answer:

1,2,3,4,5,6,7

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