Question

the half-life of a radioactive kind of cadmium is 14 years how much will be left after 28 years , if you start with 2 grams of it?

Answer 1

The amount of Cadmium remaining will be 50g

Cadmium will complete two half lives in 28 years

Remaining amount =

$n ({1 \div 2})^{t \div half \: life}$

where n is the original amount

2(0.5)^2

=0.5

Answer 2

Step-by-step explanation:

0.5 is your answer.....

Pihu ❤️ Sam