Question

How many ways are there of choosing 7 colors, without replacement, from 9 distinct colors, if

the order of the choices is taken into consideration?
the order of the choices is not taken into consideration?

Answer 1

permutations and combinations

Answer 2

9P7
9c7

Answer 3

9P7 , 9C7

Answer 4

LOL

Answer 5

:P

Answer 6

whats funny?

Answer 7

typing the same thing ...

Answer 8

I see now

Answer 9

LOL, thank you guys.

Answer 10

http://www.mathsisfun.com/combinatorics/combinations-permutations.html

Answer 11

@mathg8 reply to my message

Answer 12

sorry ...dinner duties