23.0k views
7 votes
PLEASEEEE PLEASEEEEEEEEE HELPPPPPPPPPP
how do i solve this equation?

PLEASEEEE PLEASEEEEEEEEE HELPPPPPPPPPP how do i solve this equation?-example-1
User Nogmos
by
7.0k points

1 Answer

10 votes

Answer:

360

Explanation:

using the definition

n
P_(r) =
(n!)/((n-r)!)

where n! = n(n - 1)(n - 2)..... × 3 × 2 × 1

then

6
P_(4)

=
(6!)/((6-4)!)

=
(6!)/(2!)

=
(6(5)(4)(3(2)(1))/(2(1)) ← cancel 2(1) on numerator / denominator

= 6 × 5 × 4 × 3

= 360

User Vladimir Djukic
by
8.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories