Floy8prillstal Floy8prillstal
  • 26-11-2016
  • Mathematics
contestada

What is the value of 7P5?

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

Respuesta :

JcAlmighty
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 lemion
  • 12-11-2021

Answer:

2520

Explanation:

Ver imagen lemion
Answer Link

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