Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Test: 30

Answer

-4

Work Step by Step

To find the average, sum the items in the list and divide the total by the count of items in the list. $(-12+(-13)+0+9)\div4=-16\div4=-4$
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