Real Number Properties III

<p><a href="https://www.prepswift.com/quizzes/quiz/prepswift-real-number-properties-iii" target="_blank">Real Number Properties III Exercise</a></p><p>Whenever you&#39;re completing operations on real numbers, we need to keep in mind several <strong><span style="color:#27ae60;">Real Number Properties</span></strong>:</p> <ul> <li><span style="color:#e74c3c;">Property 8</span>: If the product of two numbers equals $0$, say $ab=0$, then three possibilities exist: <ul> <li>$a=0$</li> <li>$b=0$</li> <li>Both $a$ and $b$ equal $0$</li> </ul> </li> <li><span style="color:#e74c3c;">Property 9</span>: When you divide $0$ by $0$, the world might explode. Don&#39;t do it! <ul> <li>$\frac{0}{0}=undefined$</li> </ul> </li> <li><span style="color:#e74c3c;">Property 10</span>: If $a&gt;0$ and $b&gt;0$, then the two things below are true: <ul> <li>$a+b&gt;0$</li> <li>$ab&gt;0$</li> </ul> </li> <li><span style="color:#e74c3c;">Property 11</span>:&nbsp;If $a&lt;0$ and $b&lt;0$, then the two things below are true: <ul> <li>$a+b&lt;0$</li> <li>$ab&gt;0$</li> </ul> </li> </ul>