How many ways can seven students line up for a class picture?
A. 5,040
B. 210
C. 28
D. 7.
3 answers
The number of ways to arrange a group of $n$ people is $n!$, so the number of ways to arrange 7 people is $7!$. Evaluating $7!$ gives $7\times6\times5\times4\times3\times2\times1=5,\!040$. Therefore, the answer is $\boxed{\textbf{(A)}\ 5,040}$.
so whats the answer?
The answer is $\boxed{\textbf{(A)}\ 5,040}$.