#### Answer

-0.1

#### Work Step by Step

If we want to get the common ratio, we just have to divide any two subsequent terms:
$r=\frac{a_2}{a_1}=\frac{-0.6}{6}=-0.1$

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

-0.1

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