Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises: 100

Answer

$-2.0\times10^{15}$

Work Step by Step

Step 1: Scientific Notation includes only one non-zero digit in front of the decimal point. Step 2: For $-2,000,000,000,000,000.0$, the decimal point must be moved 15 times to the left in order to ensure that their is only one non-zero digit in front of the decimal point. Step 3: Therefore, $-2,000,000,000,000,000.0=-2.0\times10^{15}$.
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