Question

Find the value of each expression. Show your work.
1. ^ 9P^3
2. ^10C^4

Answer 1

got a calculator?

Answer 2

yeah I have but I don't know how to do it

Answer 3

http://www.wolframalpha.com/input/?i=+9P3+

Answer 4

\[_9P_3=9\times 8\times 7\]

Answer 5

just try your best and you can do it :)

Answer 6

504

Answer 7

is that right

Answer 8

yes

Answer 9

wat is number 2

Answer 10

try it and show me your work

Answer 11

I mean how to to do it

Answer 12

10C4=5040 / 24
and try it

Answer 13

210

Answer 14

is that right

Answer 15

yes
10C4 = Combinations any 4 from 10
@satellite73 is this ok

Answer 16

\[_{10}C_4=\frac{10\times 9\times 8\times 7}{4\times 3\times 2}\] cancel first multiply last

Answer 17

that is what I did

Answer 18

thankx

Answer 19

\[10\times 3\times 7\] you do in your head

Answer 20

210