Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - 11.2 - Arithmetic Sequences and Partial Sums - 11.2 Exercises - Page 786: 38


$a_1=200$ $a_2=190$ $a_3=180$ $a_4=170$ $a_5=160$

Work Step by Step

$a_1=200,~~a_{n+1}=a_n-10$ $a_2=a_1-10=200-10=190$ $a_3=a_2-10=190-10=180$ $a_4=a_3-10=180-10=170$ $a_5=a_4-10=170-10=160$
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