Question

(I DONT EVEN KNOW WHAT THIS IS PLEASE HELP ME!!)
Evaluate.
A.)9!/6!3!
B.)1
C.)84
168

Answer 1

Probability?

Answer 2

evaluate - 9!/6!3!
A. 1
B.84
C.168

Answer 3

I guess?

Answer 4

\[n! = n*(n-1)*(n-2)...(2)(1)\]
For example,\[5!= 5*4*3*2*1\]

Answer 5

how? why...??

Answer 6

so how the heck do I do this one??

Answer 7

how? why..?? what?

you're supposed to evaluate \[\frac{9!}{6!3!} = \frac{9*8*7*6*5*4*3*2*1}{(6*5*4*3*2*1)(3*2*1)} =\]

Answer 8

some careful cancellation will be most helpful!

Answer 9

9*8*7*6*5*4*3*2*1/6*5*4*3*2*1x 3*2*1=362880/720*6=84

Answer 10

..... o.o....... uhm.....ima just give up and guess.... im sorry for wasting yalls time. Bye.

Answer 11

Why are you giving up? This is easy!

\[\frac{9!}{6!3!} = \frac{9*8*7*6*5*4*3*2*1}{(6*5*4*3*2*1)(3*2*1)} = \frac{9*8*7*\cancel{6*5*4*3*2*1}}{\cancel{(6*5*4*3*2*1)}(3*2*1)}\]\[ = \frac{9*8*7}{3*2*1} =\]

Answer 12

for you. im 100% dyslexic in algebra and both of my algebra teachers have been the worst out of the entire school. ^^

Answer 13

Just write down the numbers, like I said. Cross out pairs top and bottom. Multiply and divide what is left. Don't let the appearance scare you off.

Answer 14

Isn't 84 the answer? @whpalmer4

Answer 15

@uri yes, it is.

Answer 16

Thaankgod,I know my statistics.Thanks to @terenzreignz ♥

Answer 17

\[\frac{9*8*7}{3*2*1} = \frac{504}{6} = 84\]alternatively\[\frac{9*8*7}{3*2*1} = \frac{9}{3}*\frac{8}{2}*\frac{7}{1} = 3*4*7 = 84\]