Question

simplify 17 C 4

Answer 1

"simplify" i assume in this context means compute right?

Answer 2

\[_{17}C_4=\frac{17\times 16\times 15\times 14}{4\times 3\times 2}\] cancel first, multiply last

Answer 3

combination formula; n!/r!(n-r)!
17!/4!(17-4)!

Answer 4

Im not sure it only says 17 C 4 possibble answers
A. 2,380

B. 680

C. 57,120

D. 4,760

Answer 5

"simplify" jeez
the lazy math teachers way of saying "give me the answer i want"

Answer 6

its 2380 isn't it?

Answer 7

most calculators can do this easily
http://www.wolframalpha.com/input/?i=17+choose+4

Answer 8

yes , 2380

Answer 9

wait yeah it is 2380

Answer 10

im working in probability in my class so yeah im pretty sure it is 2380

Answer 11

do you understand why?

Answer 12

57120 divided by 24?

Answer 13

I think I understand

Answer 14

yes you got it! ^_^

Answer 15

keep on practicing i learned this 2 weeks ago and its pretty easy once you get use to it! good luck! :)

Answer 16

thankyou

Answer 17

at the risk of repeating myself
CANCEL FIRST, MULTIPLY LAST

Answer 18

ur welcome, glad to help ^_^

Answer 19

\[_{17}C_4=\frac{17\times 16\times 15\times 14}{4\times 3\times 2}\]
\[=17\times 2\times 5\times 14\]