Question

Let a={9,4,5,5,6,7} no of entries of A

Answer 1

Step-by-step explanation:

Let a={9,4,5,5,6,7}

No of entries are 6

Answer 2

Answer:

5

Step-by-step explanation:

because A{9,4,5,5,6,7}

and a set can't call out a single number two times so this set will be represented like A{9,4,5,6,7}and thus there are 5 elements in this set