Question

if 50% of a radiactive element remains after 4000 years, what is the half size? P.S please give me a short explanation

Answer 1

@Sheng

Answer 2

you mean half-life?

Answer 3

yea

Answer 4

@sommersquid

Answer 5

google how to find the half life. You basically divide by two

Answer 6

answer is right there, read the question carefully
half-life is the amount of time it takes for something to lose half the amount
since 4000 yrs to go to 50%...answer is?

Answer 7

oh thank you