When transforming a dataset into a stemplot, first rearrange the numbers into ascending order. The stem is everything except the right most digit. The leaf is the most-right digit. For instance, the #12 means the stem is the 1 and the leaf is the 2. In the following series of numbers, which digits are the stems, in proper order? 

40, 42, 45, 46, 53, 54, 22, 57, 63, 22, 25