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OpenStudy (anonymous):
Decide if this is a combination or permutation and then answer the question. Minnie has 4 different stamps. She needs 3 to mail a large letter. How many ways can she pick the 3 that will be used?
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OpenStudy (anonymous):
The answer options are: combination permutation 4 2 24 12 There is more than one answer
OpenStudy (campbell_st):
well the restriction is that once a stamp is used it can't be reused... so the arrangements are |dw:1434657753061:dw|
OpenStudy (campbell_st):
so which has no replacement permutations or combinations..?
OpenStudy (anonymous):
Combinations??
OpenStudy (campbell_st):
close... but not correct...
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OpenStudy (anonymous):
Permutations?
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