114k views
19 votes
Element X decay radioactively with a half life of 14 minutes. if there are 490 g of element X how long to the nearest 10th of a minute will it take the elements of a case of 123 g

User Stael
by
6.5k points

1 Answer

11 votes

Answer:

27.9

Explanation:

User Ibraheem Ahmed
by
7.9k points