Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - 4.1 Reading and Writing Decimal Numbers - 4.1 Exercises - Page 271: 51

Answer

(a) 420.008 (b) 400.028

Work Step by Step

We know that "thousandths" refers to the third decimal place. Thus, the number is: $$ 420.008$$ Now, it indicates that there are 28 thousandths. Since this is great than 10, the number 28 fills the second and third decimal places: $$ 400.028$$
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