Question

Find the cardinal number
C={x|x<6 and x>13}
n(C)=???

Answer 1

You mean the size of that set? I think it's zero because there is no number that is both less than 6 and greater than 13 simultaneously.

Answer 2

Yea cuz I don't understand how a number could be less than 6 but greater than 13

Answer 3

sorry i dont understand :(

Answer 4

Cardinality just means "size" - how big is the set that contains the number it's asking for?

Answer 5

@shane_b @uri @yahoo!

Answer 6

How many numbers are both less than six and greater than thirteen at the same time?

Answer 7

n(c) =0

Sicncee there cant be any number satisfies such condition