Mathematics, 29.06.2019 02:00 ruslffdr
By far the largest and most widespread use of americium-241 is as a component in household and industrial smoke detectors, where a small amount is used in an ionization chamber inside the detector. the half life of americium-241 is 432.2 years. if a smoke detector is buried in a land fill, how many years are required for the original amount of americium-241 to decay to less than 1% of the original amount? round your numerical answer to the nearest tenth of a year. 1,435.7 years 4,322 years 2,871.5 years 43,220 years
Answers: 1
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
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Mathematics, 22.06.2019 05:10
Let b(t) be the number of unread books remaining on alex's bookshelf after reading consistently for t months. so, b(9) = . this means that , the .
Answers: 3
Mathematics, 22.06.2019 06:40
|4x-3|-5=4 and |2x+3|+8=3, what are the solutions to the problems
Answers: 1
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