Question

write the cardinal number of the set the letters of the word SCHOOL​

Answer 1

Answer:

Set A = {S,C,H,O,O,L} has 5 element.

Therefore, the cardinal number of set A= 5. So, it is denoted as n(A) = 5.

Answer 2

Answer:

A =(SCHOOL)

=5 letters

= cardinal number =5