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

asked Aug 12, 2022 96.3k views

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The first three terms of a sequence are given. Round to the nearest thousandth (if

necessary).
405, 397, 389,...
Find the 31st term.

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2 votes

Answer:

165

Explanation:

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

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

t31 = 405 + (30)(-8)

= 405 - 240

= 165

Shuping answered Aug 16, 2022

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