Elementary Technical Mathematics

by Nelson, Robert; Eren, Dale;

Published by Brooks Cole

ISBN 10: 1285199197

ISBN 13: 978-1-28519-919-1

Chapter 2 - Cumulative Review - Page 134: 20

Answer

$$- 432.$$

Work Step by Step

We remove the parentheses and since we have an odd number of negative signs, then we do the multiplication as follows $$(-8)(-9)(+3)(-1)(+2)=-8\cdot9\cdot3\cdot2=- 432.$$

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