Answer
There are $~~3~~~l$ values associated with $n=3$
Work Step by Step
For each value of $n$, the values of $l$ can be $~~l = 0, 1, 2,...,(n-1)$
When $n=3$, then the values of $l$ can be $~~l = 0, 1, 2$
There are $~~3~~~l$ values associated with $n=3$
