Question

if the set A has 7 elements and the set B ={a,b,c} . Then find the number elements in (A X B)

Answer 1

Answer:

Step-by-step explanation:

cnccncnncncc

Answer 2

Answer:

The answer is 21

Step-by-step explanation:

By the given condition

n(A) = 7

n(B) = 3

So

n(A×B)= n(A) ×n(B) = 7×3 = 21

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