Place value: the tens digit tells how many groups of ten, and the ones digit tells how many loose ones remain.<br><br>
&bull; 20 has 2 in the tens place &rarr; 2 tens.<br>
&bull; 20 has 0 in the ones place &rarr; 0 ones.<br>
&bull; Check: 2 tens + 0 ones = 20 + 0 = 20. &#10003;<br><br>
Final Answer: 2 tens 0 ones