sophiarose4547 sophiarose4547

10-07-2017
Mathematics

contestada

Sodium-24 has a half-life of 15 hours. how much sodium-24 will you have after 60 hours of your original sample is 64 mg

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freddiemlb1 freddiemlb1

10-07-2017

16mg.

15x=60 solve for x and you get x=4
now divide 64/4 because that is how many half lives occurred and you will be left with 16mg.

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sharbrack sharbrack

10-07-2017

Here's what I came up with

k = -.0462

A= 4mg

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