## Algebra 1

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-2 Scientific Notation - Practice and Problem-Solving Exercises - Page 424: 18

#### Answer

Yes, the number is in scientific notation.

#### Work Step by Step

A number in scientific notation is written as the product of two factors in the form $a×10^n$, where $n$ is an integer and $1\leq |a| <10$. The number $9.54\times10^{15}$ meets both of these criteria, as $9.54$ is between $1$ and $10$, and $15$ is an integer.

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