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

游客2024-01-12 50

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 336

解析

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

Themanhasaspecialtalentforartandis______ofamusician.A、anybodyB、any

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

BenandAnnareamong7contestantsfromwhich4semifinalistsaretobeselecte

Acomputercanperform1，000，000calculationspersecond．Atthisrate，howmanyh

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

AnAmericanmanufacturerofracingbikesreporteda1996second-quartergrossin

Thedirectorofasecondaryschoolwheremanystudentswerehavingsevereacadem

21.DuringtheSecondWorldWar,about375,000civiliansdiedintheUnitedSta

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Time_______,thecelebrationwillbeheldasscheduled.A、permitB、permittingC、

Whenanewmovementinartattainsacertainfashion,itisadvisabletofin

Therewasatimewhenanypersonalinformationthatwasgatheredaboutuswa

女孩，7岁，因畏寒、发热8天，伴纳差、腹胀、腹痛，大便每天1～2次，略稀，当地医

炮制何首乌时，每100公斤何首乌用黑豆（）。A.5公斤B.10公斤C.15公斤

以克为单位的(或瓶)贵重药品应实行（）管理A.专人，专柜 B.专人，专锁 C

通常，扩张性的财政政策与扩张性的货币政策同时实施，会使一国经济()。A:产量增加

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高桩码头沉桩后进行岸坡抛填时，应（）进行。如设计另有规定，应满足设计要求。A.