Question
Suppose that a code consists of3 digits, none of which is repeated. (A digit is one of the10 numbers0 ,1 ,2 ,3 ,4 ,5 ,6
Suppose that a "code" consists of3
digits, none of which is repeated. (A digit is one of the10
numbers0
,1
,2
,3
,4
,5
,6
,7
,8
,9
.) How many codes are possible?
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Algebra 1, Volume 2
Authors: Edward B. Burger, Juli K. Dixon, Steven J. Leinwand, Timothy D. Kanold
Student Edition
0544368185, 978-0544368187
