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2. Thehalflifeofstrontium90is28yearsandsupposewestartwitha76mgsample. a) Createaninputoutputtablethatrepresentsthissituation.Whatunitsmakemoresensefortime- hoursorminutes? b) Findafunctionm t( )thatmodelsthemassofthesampleaftertyears. c) Howmuchofthesampleremainsafter80years? d) Howlongwillittakethesampletodecaytoamassof19mg?

2. Thehalflifeofstrontium90is28yearsandsupposewestartwitha76mgsample.

a) Createaninputoutputtablethatrepresentsthissituation.Whatunitsmakemoresensefortime- hoursorminutes?

b) Findafunctionm t( )thatmodelsthemassofthesampleaftertyears.

c) Howmuchofthesampleremainsafter80years?

d) Howlongwillittakethesampletodecaytoamassof19mg?

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