justin1158
justin1158 justin1158
  • 01-09-2020
  • Mathematics
contestada

Help me answer this, thank you

Help me answer this thank you class=

Respuesta :

Madxslash
Madxslash Madxslash
  • 01-09-2020

Answer:

4

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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