Question 636381: Please help me. This is a different question than previously posted. Thank you so much for your time and energy in answering this question for me.
If the universal set U is defined by U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and
A = {1, 2, 3, 4 }
B = {3, 4, 5, 6, 7}
What is n(A ∩ B) ?
Found 2 solutions by jim_thompson5910, solver91311:
Answer by jim_thompson5910(35256)   (Show Source):
Answer by solver91311(24713)  (Show Source):
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