Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.1 Define and Use Sequences and Series - Guided Practice for Examples 2 and 3 - Page 795: 5



Work Step by Step

The rule that emerges from the pattern is $a_{n}=n^{2}$ When n=9, $a_{9}=9^{2}=81$ There are 81 apples in the 9th layer.
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