Difference between revisions of "2005 AMC 10B Problems/Problem 20"
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== Problem == | == Problem == | ||
| + | What is the average (mean) of all 5-digit numbers that can be formed by using each of the digits 1, 3, 5, 7, and 8 exactly once? | ||
== Solution == | == Solution == | ||
== See Also == | == See Also == | ||
*[[2005 AMC 10B Problems]] | *[[2005 AMC 10B Problems]] | ||
Revision as of 22:23, 17 August 2010
Problem
What is the average (mean) of all 5-digit numbers that can be formed by using each of the digits 1, 3, 5, 7, and 8 exactly once?
