+0  
 
+1
1
173
1
avatar

A suitcase lock has 3 dials with the digits 0,1,2,3....,9 on each. How many different settings are possible if all three digits have to be different?

 Jan 15, 2019
 #1
avatar+111328 
+2

We want to permute any 3 of 10 numbers....so....

 

P (10, 3)   =  720  combinations

 

 

cool cool cool

 Jan 15, 2019

12 Online Users

avatar
avatar