Raymond B. answered 12/11/20
Tutor
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combinations. 10C7 = 10!/7!3! = 10x9x8/3x2 = 10x3x4 = 120
Sas G.
asked 12/11/20Raymond B. answered 12/11/20
combinations. 10C7 = 10!/7!3! = 10x9x8/3x2 = 10x3x4 = 120
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