What is the value of 7P5?

A.5040
B.2520
C.42
D.21

Question

26-11-2016
Mathematics

contestada

What is the value of 7P5?

A.5040
B.2520
C.42
D.21

Respuesta :

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JcAlmighty JcAlmighty · Answer 1 · 2016-11-28T20:25:24+01:00

JcAlmighty JcAlmighty

28-11-2016

The answer is B.2520

For permutation P we will use:
nPr = n!/(n-r)!
7P5 = ?
n = 7
r = 5
7P5 = 7!/(7-5)!
= (7 * 6 * 5 * 4 * 3 * 2 * 1)/2!
= 5040/(1 * 2)
= 5040/2
= 2520

Answer Link

lemion lemion · Answer 2 · 2021-11-12T19:51:34+01:00

lemion lemion

12-11-2021

Answer:

2520

Explanation:

Answer Link

What is the value of 7P5? A.5040 B.2520 C.42 D.21

Respuesta :

Otras preguntas

What is the value of 7P5?

A.5040
B.2520
C.42
D.21