<?xml version="1.0" encoding="UTF-8"?>
<quiz>
 <!-- categoryid: 636 -->
 <question type="category"><category><text>Pre-Calc/Chapter 3:  Exponential and Log Functions/3.5 Equations Solving and Modeling</text></category></question>
 
 <!-- resourceid-resourcedataid: 6025-5434 -->
 <question type="multichoice">
    <name>
      <text>Solve the problem.If an earthquake has an intensity of x, then its ...</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Solve the problem.<br/><br/></b>If an earthquake has an intensity of x, then its magnitude, as computed by the Richter Scale, is given by <img align="bottom" src="@@PLUGINFILE@@/ppg__pre-calc ch. 3 moodl1227121644__f1q19g1.jpg"/> <img align="bottom" src="@@PLUGINFILE@@/ppg__pre-calc ch. 3 moodl1227121644__f1q19g2.jpg"/> is the intensity of a small, measurable earthquake. (Consider <img align="bottom" src="@@PLUGINFILE@@/ppg__pre-calc ch. 3 moodl1227121644__f1q19g3.jpg"/> for this problem.) If one earthquake has a magnitude <img align="bottom" src="@@PLUGINFILE@@/ppg__pre-calc ch. 3 moodl1227121644__f1q19g4.jpg"/> on the Richter scale and a second earthquake has a magnitude <img align="bottom" src="@@PLUGINFILE@@/ppg__pre-calc ch. 3 moodl1227121644__f1q19g5.jpg"/> on the Richter scale, how many times more intense (to the nearest whole number) is the second earthquake than the first?]]></text>
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      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="0" format="html">
      <text>15,848,931,925</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>21</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>25</text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>6</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
  </question>
 </quiz>
