SOLUTION: From a class of 20 students, 2 are selected to go to a math contest. In how many ways can this be done?
A. 400
B. 380
C. 20
D. 190
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Question 1088973: From a class of 20 students, 2 are selected to go to a math contest. In how many ways can this be done?
A. 400
B. 380
C. 20
D. 190
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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