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will give brainliest to right answer please help!! 15 points -A sample of a radioactive isotope had an initial mass of 370 mg
in the year 2000 and decays exponentially over time. A
measurement in the year 2008 found that the sample's mass
had decayed to 110 mg. What would be the expected mass of the
sample in the year 2017, to the nearest whole number?

Sagot :

mikkeeyyss

Answer:

78 mg

Step-by-step explanation:

370 mg - 110 mg = 260 mg (amount decayed in the 8 total years)

260 mg ÷ 8 years = 32.5 mg decayed per year

32.5 × 9 years (years between 2008 and 2017) = 292.5 mg

370 mg - 292.5 mg = 77.5 mg, rounded to 78 mg

Answer: 28

Step-by-step explanation:

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