If $P = \{1, 2\}$, how many elements does $P \times P \times P$ have?
A$2$
B$4$
C$6$
D$8$
Answer & Solution
Correct answer: D. $8$
$n(P \times P \times P) = 2 \times 2 \times 2 = 8$ ordered triplets.
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