Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Section 11.1 - Sequences and Summation Notation - Exercise Set - Page 831: 75

Answer

Makes sense

Work Step by Step

Since we know that while with using parentheses, each value of $i$ will increase by integer $7$ whereas without using parentheses, only the sum of $i$ will increase by integer $7$. Hence, the statement makes sense.
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