Answer
$r=1, c=6.28$
$r=10, c=62.8$
$r=100, c=628$
Work Step by Step
When r=1:
$C=2\times3.14\times1$
$C=6.28$
When r=10:
$C=2\times3.14\times10$
$C=62.8$
When r=100:
$C=2\times3.14\times100$
$C=628$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Review - Page 44: 77
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