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January 30, 2015

January 30, 2015

Posted by **Jen** on Friday, July 29, 2011 at 10:41pm.

I think its 12 right?

- Math -
**MathMate**, Friday, July 29, 2011 at 10:49pmI usually call it cardinality.

It's right if you have the good reason for it. Can you explain?

- Math -
**Jen**, Friday, July 29, 2011 at 11:01pmbecause its the amount in the {}

- Math -
**MathMate**, Friday, July 29, 2011 at 11:02pmI suppose you mean "the number of elements in the set".

That would be correct.

- Math -
**Jen**, Friday, July 29, 2011 at 11:09pmyes :) thanks

- Math :) -
**MathMate**, Friday, July 29, 2011 at 11:12pmYou're welcome!

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