girlygir101
girlygir101 girlygir101
  • 13-02-2018
  • Mathematics
contestada

What is the 68th term of sequence below?
8.6, 7.2 ,5.8, 4.4......

Respuesta :

Hosein
Hosein Hosein
  • 13-02-2018

[tex]d = - 1.4 \\ a1 = 8.6 \\ a68 = 8.6 - 1.4 \times 67 = - 87[/tex]
Answer Link
Аноним Аноним
  • 13-02-2018
Arithmetic sequence with common difference = -1.4

68th term  = 8.6 + (68 -1)*-1.4 = -85.2
Answer Link

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