nolandk nolandk
  • 26-01-2017
  • Mathematics
contestada

what's an explicit equation for 3741, 3702, 3663, …

Respuesta :

Tomathon101
Tomathon101 Tomathon101
  • 26-01-2017
the nth equation is 3780 - 39n
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Аноним Аноним
  • 17-09-2018

Hello there!


117, 23.4, 4.68, …


23.4/117 = 234/1170 = 0.2


4.68/23.4 = 468/2340 = 0.2


So it's a geometric sequence with a1 = 117 and r = 0.2


an = a1rn-1


an = 117(0.2)n-1

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