SOLUTION: Find the Cartesian product or cardinal number as requested. n(A � B) = 90 n(A) = 10 Find n(B). thank you

SOLUTION: Find the Cartesian product or cardinal number as requested. n(A � B) = 90 n(A) = 10 Find n(B). thank you

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Question 439411: Find the Cartesian product or cardinal number as requested.

n(A � B) = 90
n(A) = 10
Find n(B).
thank you
Answer by shantalboodram(15) (Show Source): You can put this solution on YOUR website!
n(A x B) = n(A) x n(B)
n(A) = 10
therefore 10 x n(B) = 90
hence n(B) = 90/10 = 9
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