Question

What is cardinality of A={1,4,9}​

Answer 1

3

Explanation:

The cardinality of a set a measure of the number of elements in a set.

A set is a group of objects that have a well defined relationship between them.

In the given set, A={1,4,9}​

The set of A has 3 elements which are 1, 4 and 9

So, the cardinality of this set is 3.