Answer
$-4,000,000,000$
Work Step by Step
A deficit in budget means there is a shortage.
Thus, a budget deficit is represented by a negative number
Therefore, a budget deficit of 4 billion dollars is expressed by $-4,000,000,000$.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.3 - The Real Numbers - Exercise Set - Page 41: 7
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