KyleP715 KyleP715

18-02-2021
Mathematics

contestada

There are 8 marbles in a bag, all of different colors. In how many orders can 4 marbles be chosen? In other words, what is the
number of permutations of picking 4 marbles from the bag?
A
1680
B
70
С
40320

Respuesta :

Аноним Аноним

18-02-2021

I got 70

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

=8!/((8-4)!*4!)

=8*7*6*5*4!/(4!*4!)

=8*7*6*5/(4*3*2)

=70 ways

Answer Link

laniyah08035 laniyah08035

18-02-2021

I think the answer will be 70

Answer Link

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