# Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Standardized Test Prep - Page 747: 42

2.12 $\times$ $10^{-5}$

#### Work Step by Step

Move the decimal point to the right until the decimal is in front of the first number. In order to do this, we must move the decimal 5 times. Because of this, we obtain: 2.12 $\times$ $10^{-5}$

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.