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Dr orchid has 9 paintings she wants to hang side by side on her wall...
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Dr orchid has 9 paintings she wants to hang side by side on her wall...

Dr orchid has 9 paintings she wants to hang side by side on her wall...-example-1
User Urb
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1 Answer

21 votes
21 votes

Answer:

See below ~

Explanation:

(a) No. of ways :

  • 9! ways
  • 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
  • 72 x 63 x 20 x 6
  • 1540 x 378
  • 582,120 ways

(b) No. of ways :

  • 9 x 8 x 7 x 6
  • 72 x 63
  • 4,536 ways
User Mladen Rakonjac
by
3.2k points
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