Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.6 - Multiplying and Dividing Real Numbers - Practice: 9

Answer

a. 1/13 b. 15/7 c. -1/5 d. -11/8 e. 1/7.9

Work Step by Step

A whole number like 13 in fraction form is 13/1. Negative numbers like -5 can have a fraction form like -5/1. Decimals like 7.9 can be seen as 7.9/1. A reciprocal is just a switch of the numerator and the denominator. So 13/1 has a reciprocal of 1/13. 7/15 has a reciprocal of 15/7. -5/1 has a reciprocal of -1/5. -8/11 has a reciprocal of -11/8. And 7.9 has a reciprocal of 1/7.9.
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