Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Chapter Review - Page 476: 46


2 $\times$ $10^{-3}$

Work Step by Step

You have the expression $\frac{4.2 * 10^8}{2.1 * 10^1{^1}}$.simplify the expression: $\frac{4.2 * 10^8}{2.1 * 10^1{^1}}$=2$\times$$10^{8-11}$ -subtract the exponents and divide powers with the same base- =2 $\times$ $10^{-3}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.