A talent contest has 8 contestants. Judges must award prizes for first, second,

游客2025-02-24 17

问题 A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties.
(a)In how many different ways can the judges award the 3 prizes?
(b)How many different groups of 3 people can get prizes? [br]

选项

答案 56

解析

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A talent contest has 8 contestants. Judges must award prizes for first, second,

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

Thedramaschool______placestostudentswhocanshowtalent.A、donatesB、offers

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

Let’sfinishourhomeworkinafewseconds;it’stimewe______.A、playedfootbal

AsecondEinsteinnotewasalsosoldattheauction.爱因斯坦的第二张便条也在拍卖会上被卖出。

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

"Blockpatrol(巡逻,巡逻队),""communitywatch""civilianpatrol."Theymay

Inatelephonesurveyofmorethan2,000adults,21%saidtheybelievedthe

Theconversationistakingplaceatafriend’shouse.[br][originaltext]M1Hi

烧伤后肥厚性瘢痕压力治疗，错误的是A.弹性包裹 B.紧身服（套） C.管形加

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1948年7月，某国率先向世人宣布：它已经向国民提供了“从摇篮到坟墓”的社会福

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