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26-02-2017
Mathematics

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When radioactive substances decay, the amount remaining will form a geometric sequence when measured over constant intervals of time. The table shows the amount of a radioactive isotope initially and after 2 hours. What are the amounts left after 1 hour, 3 hours, and 4 hours?
0 , 1 , 2 , 3 , 4
1866, , 465 , ,

When radioactive substances decay the amount remaining will form a geometric sequence when measured over constant intervals of time The table shows the amount o class=

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ChandrikaP ChandrikaP

26-02-2017

I am not sure because there is no info about what is rate of decay
I assume if there is rate of decay is constant every hour then 0-2 it is
It 1/4th
So for 1st hour it is 933 gram

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