Question

The first three terms of a sequence are given. Round to the nearest thousandth (if
necessary).
405, 397, 389,...
Find the 31st term.

Answer 1

Answer:

165

Step-by-step explanation:

tn = t1 + (n - 1)(d)

t31 = 405 + (31 - 1)(-8)

t31 = 405 + (30)(-8)

= 405 - 240

= 165