kyky5066 kyky5066
  • 25-03-2020
  • Mathematics
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What expression is equivalent to 120?

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grayceee
grayceee grayceee
  • 25-03-2020

Answer:

5! and 6p3

Step-by-step explanation:

5! = 5*4*3*2*1 = 120

6p3= n!/(n-r)!

where n = 6

and r = 3

6p3 = 6!/(6-3)!

      = 6*5*4*3*2*1/3*2*1

      = 120

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