Mathematics, 04.02.2020 01:45 1hannacarson
Thorium -228 is a radioactive substance that decays 50% every 1.9 years. how much of a 50 gram sample will exist after 22.8 years? round to 3 decimal places. use the formula a=a0e^ -kt.
a.) 19.34 grams
b.) 30.32 grams
c.) 0.124 grams
d.) 12.4 grams
e.) 7.48 grams
Answers: 1
Mathematics, 21.06.2019 21:30, kimlyn58p0wyn0
The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
Answers: 1
Thorium -228 is a radioactive substance that decays 50% every 1.9 years. how much of a 50 gram sampl...
Biology, 23.07.2020 23:01