College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 8, Sequences and Series - Section 8.3 - Geometric Sequences - 8.3 Exercises - Page 614: 2


common; ratio; $2$; $5$

Work Step by Step

RECALL: The $n^{th}$ term $a_n$ of a geometric sequence is given by the formula: $a_n=a\cdot r^{n-1}$ where $a$ = first term $r$ = common ratio This means that in the sequence $a_n=2(5)^{n-1}$, $a=2\\ r=5$ Thus, the missing expressions in the given statement (in order) are: common; ratio; $2$; $5$
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