how many differnt numbers can be formed by using six out of nine digits 1 2 3 9

9*8*7*6*5*4=60480
10 years agoHelpfull: Yes(11) No(0)
If repetition is allowed 9^6
If repetition not allowed,9p6
10 years agoHelpfull: Yes(9) No(0)
i think its 9^6
10 years agoHelpfull: Yes(8) No(3)
as the numbers need to different....there should not be any repetition..hence it can be done in 9*8*7*6*5*4=60480 ways
10 years agoHelpfull: Yes(1) No(0)
if repetition is not allowed, then 9c6
if repetition is allowed ,then 9^6
10 years agoHelpfull: Yes(1) No(0)
9C6.. selecting 6 digit out of 9 digit
10 years agoHelpfull: Yes(0) No(2)
9*9*9*9*9*9=9^6 will be ans
10 years agoHelpfull: Yes(0) No(1)
i think singl,2 digit ...6 digt numbrs also possible na
10 years agoHelpfull: Yes(0) No(1)

how many differnt numbers can be formed by using six out of nine digits 1,2,3....9???