Connect with a community of experts and enthusiasts on IDNLearn.com. Ask your questions and get detailed, reliable answers from our community of knowledgeable experts.
Answer:
this sequence is geometrical sequence
and it's formula is
[tex]y = a {r}^{n} \\ here \: a \: is \: first \: number \: is \: equal \: 1 \\ and \: the \: ratio \: is \: r \: is \: equal \: - 3 \\ y = 1 \times {( - 3)}^{n} [/tex]