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anonymous
 one year ago
How many arrangements of 3 digits can be formed from the digits 0 through 9?
1,000
729
720
I got 504.....
anonymous
 one year ago
How many arrangements of 3 digits can be formed from the digits 0 through 9? 1,000 729 720 I got 504.....

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@sugarplum15 @nincompoop can you help?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think of it like this. How many numbers are there between 0 and 999, inclusive?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I used permitation. P(nr)=[P(n,r)=\frac{ n! }{ (nr)! }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So I put 9 as n dw:1443456086685:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1443456130452:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@starlord can you help me too?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm honestly not good at the statistics, but it would seem that 1000 is the logical result if you count the numbers from 000 to 999. either way, your 9s should be 10s
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