Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Section 1.3 - Adding and Subtracting Whole Numbers, and Perimeter - Exercise Set - Page 27: 38



Work Step by Step

First, the 2 numbers need to be lined up by place value and digits, with the larger number (40,000) on top. Since most digits of the top number are zeroes, you have to distribute the 4 from the ten-thousands place across the number (like in the attached image). Then, you subtract the digits from right to left, subtracting the bottom number from the top. If done correctly, then the answer should equal 16,418
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