SOLUTION: Could I have some help understanding how to solve this & what the n stands for. Thank you. A={2,4,6} B={-3,-2-1,0} Find n of A and B.

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Question 133029: Could I have some help understanding how to solve this & what the n stands for. Thank you. A={2,4,6} B={-3,-2-1,0} Find n of A and B.
Answer by stanbon(48535) About Me  (Show Source):
You can put this solution on YOUR website!
Could I have some help understanding how to solve this & what the n stands for. Thank you. A={2,4,6} B={-3,-2-1,0} Find n of A and B.
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It depends on your text, but frequently "n" means "number of elements in".
Your Problem:
A and B = "the null set" because there are no elements common to A and B.
Therefore n(A and B) = 0
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Cheers,
Stan H.