What are you trying to find ?
Answer:
One 8 is in the hundrenths place and another one in the ones place
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
Half life of radioactive substance is 
Initial amount 
Amount left at any time is given by

It takes 26.4 days to reach 2 gm.
Answer:
-1/6
Step-by-step explanation:
I put it into an equation. The periods are a result of autocorrect.
6x+3=2
-3. -3
________
6x= -1
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6. 6
X = -1/6
If the 3 is after the 4 then the answer is 30,000.