Some radioisotopes with the longest half-lives can remain radioactive for of years.
a. billon...
Mathematics, 17.11.2019 06:31 abdirahmansoloman
Some radioisotopes with the longest half-lives can remain radioactive for of years.
a. billons
b. millions
c. thousands
d. tens of thousands
Answers: 1
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How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
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Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
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