half life: 1620, initial quantity:x, amount after 1000 years:1.5 g

I need to solve for the initial quantity with the info given, thx for the help

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- March 23rd 2008, 07:12 PMthemanhalf life solving initial quantity
half life: 1620, initial quantity:x, amount after 1000 years:1.5 g

I need to solve for the initial quantity with the info given, thx for the help - March 23rd 2008, 07:16 PMJhevon
- March 23rd 2008, 07:25 PMtheman
thanks, but i still dun know how to solve for the rate of the decay...

- March 23rd 2008, 07:40 PMtopsquark
- March 23rd 2008, 07:55 PMtheman
lol, sorry, im kinda stupid, but i just solved it thanks!

- March 23rd 2008, 07:56 PMtheman
um, sorry, but one more thing. With the same info and the initial quantity i got was 2.3 g. How would u solve it for 10,000 years.

- March 23rd 2008, 07:59 PMtopsquark
- March 23rd 2008, 08:10 PMmr fantastic
(Swear) double posts (Headbang) .