Question

The half life of radium is 1600.the percentage of radium quantity that disintegrates in 100 years is what?

Answer 1

1600 year ?

Answer 2

yes

Answer 3

%left =100/(2^16)
very small number

Answer 4

Thanks.Just needed to confirm! =)

Answer 5

Btw by percentage you mean very small percentage of radium is left or very small percentage of it has disintegrated?

Answer 6

left

Answer 7

hey i'm think i'm wrong

Answer 8

Yeah im a little confused too cant figure out whether its the quantity left or otherwise

Answer 9

%left = 100/[2^(1/16)]

Answer 10

a bit confused

Answer 11

you got it, muqueet?

Answer 12

\[N _{start} =2^{n} * N _{remain}\]
where
\[n=timespent/halflife\]

Answer 13

so what's remain should be around 95.76%

Answer 14

Yes sir! got it.Thanks alot really appreciate! =)

Answer 15

anytime ;)