Answer :
If you have a graphing calculator, you could use it to solve this question.
If you have a TI-84, go to MATH then PROB then 3: nPr
From there, all you have to do is type in 7 and 3 in their correct spots to get 210 as your answer.
If you have a TI-84, go to MATH then PROB then 3: nPr
From there, all you have to do is type in 7 and 3 in their correct spots to get 210 as your answer.