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

游客2024-01-12 54

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

—Couldyougivemeafewmoreminutes?—______.Takeyourtime.A、NotatallB、Ce

Itwasfiveo’clockintheafternoon______theyreachedthetopofthemountain.

[originaltext]ThisisStanFieldingreportinglivefromtheoutskirtsofthe

Theoldladyhas______twowarsandrevolutions.A、livedonB、livedthroughC、live

试带法中属于指示剂蛋白误差原理A.尿蛋白 B.葡萄糖 C.pH D.酮体

配伍中体现“辛甘化阳”及“酸甘化阴”的方剂是A.理中丸 B.阳和汤 C.小建

对胆汁分泌不足所致消化不良者，可选用的药物是A.维生素B1 B.复方阿嗪米特肠

一台并网运行的三相同步发电机，运行时输出cosψ==0.5（滞后）的额定电流，现

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