SOLUTION: A sample of radioactive substance decayed according to y=100(10)^-0.4x
where y was the mass in grams and x was the time in hours after the original measurement.
(a) How much was
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where y was the mass in grams and x was the time in hours after the original measurement.
(a) How much was
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Question 890485: A sample of radioactive substance decayed according to y=100(10)^-0.4x
where y was the mass in grams and x was the time in hours after the original measurement.
(a) How much was present at the original measurement? (Hint: Let x=0.)
(b) How much was in the sample to the nearest gram after 3 hours?
(c] How much was present to the nearest gram after 5 hours? Answer by josgarithmetic(39617) (Show Source):
(