If one has 24 kg of Polonium and it undergoes two half-lives, how much do you have left?

Question

A)
12 kg

B)
3 kg

C)
6 kg

D)
2 kg
IdK what it is!!!!!

Answer 1

12 kg to start.
At the end of one half life just 1/2 is left (that's what a half life is) so you will have 6 kg left.
At the end of the second half life you will have ?..... left?
At the end of the third hlf life you will have ? left.
At the end of the fourth half lift yu will have ? left.
etc. You just keep halving it for every half life.

Answer 2

what are the answers?

Answer 3

It'S B. 3g

Answer 4

Meh is correct, Half of Six is Three :^

Answer 5

Does anyone know the answer for the usa test prep Lesson 10: Earth's History Unit Test
40.0610001 Science 6 A Unit 2: Earth's History

Answer 6

Bro, I need answers too