Probability and sequences help pleaseee?

1 ⤊

1. P(7,3)

2. The first five terms of e^n/n

2007-08-12 15:30:52 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

P(7,3) = 7!/3! = 840

e^1/1 = 2.718282
e^2/2 = 3.694528
e^3/3 = 6.695179
e^4/4 = 13.649538
e^5/5 = 29.682632

2007-08-12 15:36:47 · answer #1 · answered by McFate 7 · 0⤊ 1⤋

1. P(7,3) = 7!/(7-3)! = 210
2. The first five terms of e^n/n are: e, e^2/2, e^3/3, e^4/4, and e^5/5.

2007-08-12 22:43:51 · answer #2 · answered by sahsjing 7 · 1⤊ 0⤋