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thomasrec3
thomasrec3 thomasrec3
  • 13-03-2017
  • Mathematics
Answered

There are 9 balls in a hat. The balls are numbered 1-9. You need to choose 3 of the balls. How many possible combinations are there?

Verified Answer :

blackvision180
blackvision180 blackvision180
  • 13-03-2017

there are 27 different combinations 9×3=27

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