1 Answer

Hariharbalaji · Answer 1 · 2020-11-22T03:05:29+0000

Answer:

The 8th term in the sequence is -128

Explanation:

The given series is a geometric progression (G.P) with the starting term as -1.

Let the starting term be a and the common ratio be r.

a = -1

r = 2

The formula for the nth term of a geometric progression (G.P) :

$nth\:term=ar^(n-1)$

n = 8

$The\:8th\:term=ar^(7)=(-1)*2^(7)=-128$

Therefore, the 8th term in the sequence is -128

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