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17!/13! is an annoying way to write "start with 17 and multiply descending values until you get to 14"...
Its pretty easy and i probably made a stupid mistake but still :)
...17!/13! = 17*16*15*14 then you divide by 4! 4! = 4*3*2*1
dasde is right, it is also written as 17C4, which you can enter into most programmable calculators
Ahhh alrighty :) Thanks helps alot cuz that is kinda annoying way to write it :D lol
i have one last question :) will u help?
If you have a TI- 83 I can walk you through it
sure, post it as a new prob
A student club has 12 members. How many ways can the club choose a President, Vice President, Secretary, and Treasurer? A. 12,300 B. 6,940 C. 11,880 D. 9,940\ here i still cant get the hang of it
ohhh oopsies :P
there are 5 positions and the order of them matters, so it is a permutation. so you do 12*11*10*9*8 because each time you choose someone for a position, you have one less person in your student pool to choose from.
>.< im loooost
tonks taught me physics
My bad, didn't see how many different positions haha, just saw 12 members and saw "ways". yeah, Tonks is correct.
okay, you start with 12 students to choose from for President, so there are 12 possible outcomes, once you pick a president, there are only 11 students to choose from, so it goes until all the positions are filled: 12*11*10*9*8 We can talk about why you multiply if you need to
Wait i am still lost!! >.< which one is it A,B,C,D? ! >.<
Did you mistype choice D?
my bad, typo, meant D was the closest, but none of them, the answer is like 99000 something
I meant did fun mistype choice D?
DAMN IT!!! i did c and got 90% bc i got the last one wrong!!! >.<
^_^ its ok its not ur fault well it kinda is but :D im a forgiving person lol
Why are you sad about 90%? Do you understand it now?
Yes i do but 100% is always better :)
don't sweat the petty things...
Ik... but i AM trying to get my grade up bak to a B and if i had gotten it rite i wouldve >.<
can you repost?
or attempt HW again?
Nope im just like u know what watever i will just take another assignment and try to get 100% :) and im pretty sure it wil raise and strengthen my grade rite? :)
:) i try,,, i try. lol