Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-2 Scientific Notation - Practice and Problem-Solving Exercises - Page 424: 13


No, the number is not in scientific notation.

Work Step by Step

A number in scientific notation is written as the product of two factors in the form $aƗ10^n$, where $n$ is an integer and $1\leq |a| <10$. The number $0.9\times10^{-2}$ does not meet these criteria, as $0.9$ is not between $1$ and $10$.
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