Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - Review Exercises: 42

Answer

#Note: $7・7・0 = 7 \times 7 \times 0$ $7 \times 7 \times 0 = 0$

Work Step by Step

$a \times b\times c =$ General formula for finding the answer 1. Multiply the first two numbers together $(a \times b)$ $7 \times 7 = 49$ 2. Multiply the previous number in Step #1 with the last number $((a \times b) \times c)$ $49 \times 0 = 0$ **Important: Every time something is multiplied by 0, the answer is 0 and therefore certain steps are not needed to find the answer (In this case, Step #1 is not needed since you know the number will be multiplied by 0)
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