1 Which of the following is the correct way to expand a factorial?
A
7! = 7 x 7 x.7 x 7 x 7 x 7 x 7
B
7! = 7 X 6 X 5 X 4 x 3 x 2 x 1
C 7! = 7 x 5 x 3 x1
D
7! = 7
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