math
posted by Jesse .
The cardinal number of the set {cat, dog, horse, fish, lizard, meerkat, rhinoceros, elephant, giraffe, platypus, hippopotamus, skunk, mouse, chipmunk, squirrel} is _________.

equal to the number of elements/members of the set.
For the given set, the cardinality is an integer value (between 10 and 20).