Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.2 - Prime and Composite Numbers - Problem Set 1.2: 29

Answer

$9\cdot1=9$ $9+1=10$

Work Step by Step

$9$ and $1$ are the only two numbers whose product is $9$ and sum is $10$. Therefore, we must use these numbers to fill in the blanks.
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