Question

Find the cardinal number of each set below and find what type of set are there when you take in paris
A) set of all prime numbers <=20
B)Set of all Composite numbers<=15
C) set of all natural numbers<=25



please answer these questions​

Answer 1

Answer:

prime numbers ={2,3,5,7,11,13,17,19}

cardinal no. is 9

Answer 2

Step-by-step explanation:

A=(1,3,5,7,11,13,17,19)

A=8

C=(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25)

C=25

Sorry don't know b hope these help