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Elden
[556K]
3 years ago
12
A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different gro
ups can he select?
Mathematics
Answer
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1
answer:
Marysya12
[62]
3 years ago
8
0
20\4=5
Since there are 20 people and we want grps of 4
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