The set of months of a year ending with the letters “ber”.
We build set S below:
S = {September, October, November, December}
The cardinality of S, denoted |S|, is the number of items in S:
|S| = 4
We build set S below:
S = {September, October, November, December}
The cardinality of S, denoted |S|, is the number of items in S:
|S| = 4