Physics, 04.09.2019 22:30, amandabarriksofficia

There is a 30 g sample of be-11. it has a half-life of about 14 seconds.
how much will be left after 28 seconds?
a. 3.75 g
b. 7.5 g
c. 15 g
d. 30 g

Answers: 1

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There is a 30 g sample of be-11. it has a half-life of about 14 seconds.
how much will be left...