Difference between revisions of "2000 AMC 10 Problems/Problem 6"

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==Problem==
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==Solution==
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The pattern of the units digits are
 
The pattern of the units digits are
  
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<math>\boxed{\text{C}}</math>
 
<math>\boxed{\text{C}}</math>
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==See Also==
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{{AMC10 box|year=2000|num-b=5|num-a=7}}

Revision as of 18:33, 8 January 2009

Problem

Solution

The pattern of the units digits are

$1,1,2,3,5,8,3,1,4,5,9,4,3,7,0,7,7,4,1,5,6$

In order of appearance:

$1,2,3,5,8,4,9,7,0,6$.

$6$ is the last.

$\boxed{\text{C}}$

See Also

2000 AMC 10 (ProblemsAnswer KeyResources)
Preceded by
Problem 5
Followed by
Problem 7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AMC 10 Problems and Solutions