(2.50×104)÷(1.25×103)= ______

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问题 (2.50×10⁴)÷(1.25×10³)= ______

选项

答案 This problem can be set up as [*]. When dividing like bases, you subtract your exponents, so 10⁴+10³=10¹. You are left with 2×101. Since 10 to the first power is 10, the correct answer is 20.

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(2.50×104)÷(1.25×103)= ______

GRE QUANTITATIVE

GRE

Traditionally,universitieshavecarriedouttwomainactivities;researchandteaching.Manyexpertswouldarguethatboththes

WhentheUnitedStatesCongresscreatedYellowstoneNationalParkin1872,thegoalwastosetasideaplacewhereAmericanscou

Interviewer:HowlongdidyouliveintheStates?Interviewee:Iwastherefortwoyears,inNewYork,andIenjoyedittremendo

MaggieWalkerwasbornin1867inRichmond,Virginia.Hermotherwasonceaslaveinarichwoman’shouse.WhenMaggiewasvery

Overtheyears,collegestudentshavestoodtogetherforwhattheybelievein,fromcivilrightstoanti-warpoliciestothemor

Textbookpricesaretraditionallyhigh."Combinedwiththerisingcostoftuition,thepriceofbooksforourstudentsisjust

Somepeoplethinkoflifeasagame.Therearesimilaritiesbetweenlifeandgames;bothcanbeplayed,bothhaverules,andbot

WehavequiteabitofinformationaboutancientEgyptianmedicine．Doctors’instructionshavebeenfoundtotellus【56】theydid

Itwas3am,acoldandwetnight,onAugust21,2010.IhadjustleftalocalclubtotraveltenkilometershomewhenIlost【C1

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