If set A has 3 elements then number of elements in A X A X A are __________(a) 9(b) 27(c) 6(d) 19I got this question at a job interview.I'm obligated to ask this question of Cartesian Product of Sets topic in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

If set A has 3 elements then number of elements in A X A X A are _____

1.	If set A has 3 elements then number of elements in A X A X A are __________(a) 9(b) 27(c) 6(d) 19I got this question at a job interview.I'm obligated to ask this question of Cartesian Product of Sets topic in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» The CORRECT option is (B) 27 Easiest EXPLANATION: n(A X A X A) = n(A)* n(A)* n(A).

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