# A sample of 250 grams of radioactive substance decays according to the function A(t)=250e-0.45t, where t is time in Yrs how much in 20 yrs?

• A sample of 250 grams of radioactive substance decays according to the function A(t)=250e-0.45t, where t is time in Yrs how much in 20 yrs?

How much time will it take until only 10 grams remain? elapsed time = half life ... What is the half life of that substance? ... 20 grams of it, how much ...
Positive: 95 %
The rate of radioactive decay doesn't depend on ... a radioactive isotope decays is ... of potassium in the sample, the time since the ...
Positive: 92 %

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With a half life of 5730 years, 14 C decays by beta emission back into the 14 N from which ... (one half life) ... Radioactive Decay; Half Life; Binding ...
Positive: 95 %
More Exponential Word Problems (page ... then time t will be in ... Figure out just how much radioactive material remained from my ...
Positive: 90 %
According to one of the ... of radioactive carbon present in a sample. ... date for the death of the sample. As 14C decays it emits a ...