Question

B(1)= -500
b(n)= b(n-1)·4/5
What's the 3rd term in this sequence?

Answer 1

-320

Explanation:

Put the numbers into the formula and do the arithmetic.

b(2) = b(1)·4/5 = -500·4/5 = -400

b(3) = b(2)·4/5 = -400·4/5 = -320

The third term of the sequence is -320.