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The percent P of a radioactive substance remaining after time t weeks is given by the formula p = 100.(0.5)^1/20 the percent to the nearest whole number of radioactive substance remaining after 30 weeks is?
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Answered by
Steve
I suspect you mean
p = 100(0.5)^(t/20)
So, plug in t=30
p = 100(0.5)^(t/20)
So, plug in t=30
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