Question

B(n)=1 (-2) n-1 what is the fourth term

Answer 1

answer b(4) =-8
work/proof:

Answer 2

b(4) = -8

Explanation:

We are to find the 4th term.

n = 4

b(n) = 1(-2)ⁿ⁻¹

b(4) = 1(-2)⁴⁻¹

b(4) = 1(-2)³

b(4) = 1(-8)

b(4) = -8