ource, <span class="ValueType">int</span>?&gt; selector) </div>  <p>The operators acting on float sequences return float, and likewise the operators acting on decimal sequences return decimal, with the same equivalent nullable types for the nullable sequences.</p>  <p>As before (for Min/Max/Sum), the overloads which take a selector are equivalent to just applying that selector to each element in the sequence.</p>  <p>General behaviour - pretty much as you&#39;d expect, I suspect:</p>  <ul>   <li>Each operat