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: 101

Answer

$7.8\times10^{-8}$

Work Step by Step

Step 1: Scientific Notation includes only one non-zero digit in front of the decimal point. Step 2: For $0.000000078$, the decimal point must be moved 8 times to the right in order to ensure that their is only one non-zero digit in front of the decimal point. Step 3: Therefore, $0.000000078=7.8\times10^{-8}$.
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