Activity 3

Calculate the value of:

1. P(7,3)
• 7! / 4! = 7*6*5 = 210
2. P(10,5)
• 10! / 5! = 10*9*8*7*6 = 30,240
3. P(6,5)
• 6! / 1! = 6*5*4*3*2 = 720
4. P(6,6)
• 6! / 0! = 6*5*4*3*2*1 = 720
5. P(n,3)
• n! / (n-3)! = n*(n-1)*(n-2)
6. P(n,n-3)
• n! / 3! = n*(n-1)*(n-2)*...*5*4