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

A.

8

B. 12
C. 16
D. 7


Answer: A

Mathematics

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A. 1
B.
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Fill in the blank(s) with the appropriate word(s).

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A. 9 B. 8 C. 6 D. 7

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What will be an ideal response?

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