Find the Indicated Cardinal Number $n ( D \times B )$

question 152

Multiple Choice

Find the indicated cardinal number.
-Find $n ( D \times B )$ given that $B = \{ 1,3 \}$ and $D = \{ 7,8,9,10 \}$ .

• A) 12
• B) 16
• C) 7
• D) 8

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