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I'm doing Permutations.

Simplify 9!
a.45
b.362,880
c.265,456
d. 125,396
I think it's a.

2 answers

no, 45 = 9*5

9! = 9*8*7*6*5*4*3*2*1 = 362880

How ever did you decide on A?

Lol thanks so much Steve, I didn't understand how to do these at all but wow, they are super easy!!

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