3 years ago

Help me answer this, thank you

Mathematics

1 answer:

anastassius [24]3 years ago

4 0

Answer:

Step-by-step explanation:

P={1,2,3,4,5,6}

Q={3,4,5,6,7,8,9}

PnQ={3,4,5,6}

Therefore, n(PnQ) =4

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