Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises - Page 75: 74

Answer

3925≈4000 11,243≈10,000 15,974≈20,000 17,916≈20,000 534,883≈500,000 2,788,000≈3,000,000

Work Step by Step

When using front end rounding you only look at the two left most digits. If the second digit 4 or less, leave the number in the first left most position as is and move zero to all other digits. If the second digit is 5 or greater, add one to the number in the first left most position and move zero to all the other digits. 3925≈4000 11,243≈10,000 15,974≈20,000 17,916≈20,000 534,883≈500,000 2,788,000≈3,000,000
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