Each digit in a number has a place value. The digit 3 is in the ten thousands place.<br><br>
&bull; Ten thousands place value = \(10\,000\)<br>
&bull; 3 × \(10\,000\) = 30&thinsp;000<br><br>
The digit 3 stands for 3 × 10&thinsp;000.<br>
Final Answer: 10000