Answers

  • Brainly User
2016-06-25T20:32:38+08:00
Common difference (d) = -3        a₁ = 7       an = -296        n = ?

an = a₁ + (n-1) (d)

-296 = 7 + (n-1) (-3)

-296 = 7 -3n + 3

-296 = -3n + 7 + 3

-296 = -3n + 10

3n = 10 + 296

3n = 306

3n/3 = 306/3

n = 102

ANSWER:  -296 is 102nd term of the sequence.


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