Question

multiple choice answers.

Answer 1

Totally need help on this one.

Answer 2

24 i believe,
i just went the hard way and wrote it all out

Answer 3

If not 24 , it's 20 ;-; soz m8 dunno the formula

Answer 4

Is 24 what you're feeling good about?

Answer 5

@YoloShroom

Answer 6

@satellite73 quick help

Answer 7

@jim_thompson5910 @ganeshie8 @nincompoop

Answer 8

four slots: A,B,C,D

4 choices for slot A
3 for slot B (since we can't replay a selected song for slot A)
2 for C
1 for D

4*3*2*1 = 24 different permutations possible

Answer 9

you can use factorial notation to write `4*3*2*1` shorthand

4! = 4*3*2*1

or you can use the nPr formula

Answer 10

@jim_thompson5910 there we go, Glad u knew the correct formula