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7P6/7P4 Simplify the expression. 14, 840, 6, or 5,040 ?
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7P6/7P4 Simplify the expression. 14, 840, 6, or 5,040 ?

7P6/7P4 Simplify the expression. 14, 840, 6, or 5,040 ?-example-1
User Bsteo
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(_7P_6)/(_7P_4)=((7!)/(1!))/((7!)/(3!))=(7!)/(4\cdot5\cdot6\cdot7)=(2\cdot3\cdot4\cdot5\cdot6\cdot7)/(4\cdot5\cdot6\cdot7)=2\cdot3=6

User FIFA Oneterahertz
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