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

b.-4 units

all you   do is count how many times you move

answer: what statements

step-by-step explanation if you write the statements down then i could you.

wth is with the little mtn top and what are you talking about like fix your words and accually make sence with them and i like was in a completly different question like three times like it seems like your ilitteret

why are you giving so many marks make your marks less and make a question list so that i can understand your question very nicely