anonymous
  • anonymous
for what value of n does 10! divided by (7! times 3!) =n ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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hartnn
  • hartnn
use the property that \(n! = n(n-1)!\) \((n-1)!=(n-1)(n-2)!\) and so on, like 4! = 4*3! = 4*3*2! =....
hartnn
  • hartnn
so, what would you express 10! as ?
anonymous
  • anonymous
10! =10 times 9 ???

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anonymous
  • anonymous
Is that right?
anonymous
  • anonymous
i think that ! means to multiply down like 10x9x8x7x6x5x4x3x2x1
hartnn
  • hartnn
10! = 10*9! but thats no use to us, we have 7! in the denominator, so, how about this, 10! = 10*9! = 10*9*8! = 10*9*8* 7! got this ?
anonymous
  • anonymous
Thanks:)
hartnn
  • hartnn
welcome :) and could you find n now ?

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