Asked by Jen

The cardinal number of the set {cat, dog, horse, fish, lizard, meerkat, rhinoceros, elephant, giraffe, platypus, hippopotamus, skunk} is ____.

I think its 12 right?

Answers

Answered by MathMate
I usually call it cardinality.

It's right if you have the good reason for it. Can you explain?
Answered by Jen
because its the amount in the {}
Answered by MathMate
I suppose you mean "the number of elements in the set".
That would be correct.
Answered by Jen
yes :) thanks
Answered by MathMate
You're welcome!
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