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A mine worker disovers an ore sample containing 600mg of radioactive material. It is discovered that the radioactive material has a half-life of 1 day.

Find the amount of radioactive material at the beginning of the 7th day in fraction.

type of seqence?
given: a1=? r=? n=?
final answer?


It is discover that the radioactive meterial has a half life of 1 day 
600mg of radioactive material and 1 day
1xr600mg= 600mg
1 1 1
what type of sequence is this??
thanks for the answer.. :)
its 7.8mg
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