The first term of a sequence is 20.
If a term in the sequence is t and t is even, the next term is \frac12t.
If a term in the sequence is t and t is odd, the next term is 3t+1.
Therefore, the first three terms in the sequence are 20,10,5.\What is the 10th term of the sequence?
Answer Choices
A. 2
B. 4
C. 5
D. 1
E. 8