Answer:
He can select 160 different starting teams.
Step-by-step explanation:
He has:
4 point guards
2 shooting guards
4 small forwards
1 power forward
5 centers
This means that
For each point guard, he can select 2 shooting guards.
For each shooting guard, he can select 4 small forwards.
For each small forward, he can select one power forward.
For each power forward, he can select a center.
How many different possible starting teams can he select?
4*2*4*5 = 160
He can select 160 different starting teams.