math_celebrity Administrator Staff member Dec 18, 2023 #1 10!= 10 x 9 x 8 x 7 x 6! So we have: 10 x 9 x 8 x 7 x 6!/6! 6! cancels, so we have: 10 x 9 x 8 x 7 5040
10!= 10 x 9 x 8 x 7 x 6! So we have: 10 x 9 x 8 x 7 x 6!/6! 6! cancels, so we have: 10 x 9 x 8 x 7 5040
