2009 UNCO Math Contest II Problems/Problem 1: Difference between revisions
m moved 2009 UNC Math Contest II Problems/Problem 1 to 2009 UNCO Math Contest II Problems/Problem 1: disambiguation of University of Northern Colorado with University of North Carolina |
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== See also == | == See also == | ||
{{ | {{UNCO Math Contest box|year=2009|n=II|before=First Question|num-a=2}} | ||
[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] | ||
Revision as of 20:27, 19 October 2014
Problem
How many positive 
-digit numbers 
are there such that 
For example, 
and 
have this property but 
and 
do not.
Solution
See also
| 2009 UNCO Math Contest II (Problems • Answer Key • Resources) | ||
| Preceded by First Question |
Followed by Problem 2 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
| All UNCO Math Contest Problems and Solutions | ||
