Work out each value, then find the smallest.<br><br>
&bull; A: 10 tens = 100.<br>
&bull; B: 10 + 0 = 10.<br>
&bull; C: 1 ten = 10.<br>
&bull; D: 6 + 3 = 9.<br>
&bull; 9 is the smallest. &#10003;<br><br>
Final Answer: D: 6 + 3