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Title: ASTRONOMY Post by: Jayy09 on Aug 4, 2012 Steps please
Suppose you examine a piece of rock that has 3 atoms of a parent material and 9 atoms of a daughter product. Given the half-life of the parent material as 10 million years, determine: (1) the number of half-lives that have gone by and (2) the age of the rock Title: Re: ASTRONOMY Post by: mahini1 on Aug 5, 2012 ...anyone know about wht to do because u did not rec an activation email....i know its not right place to ask a question but i dont know where to post it
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