 {}} 
    }
  });
</script>

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
</script>

<div id="hiddden">

Estimate how much storage space is necessary for the index to a 100
billion-page corpus of Web pages. Show the assumptions you made.
</div>

  </div>
  <div class="card">
    <div class="card-header p-2">
        <a href='#' class="p-2">Exercise 22.9</a>
        <a class="bookmarkquest" id="bookmark_question">
         