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A sample has a half-life of 1000 years. 1/2 of the isotopes are parents. How old is it? a) 500 years b) 1000 years c) 2000 years d) 4000 years

A sample has a half-life of 1000 years. 1/2 of the isotopes are parents. How old is it? a) 500 years b) 1000 years c) 2000 years d) 4000 years
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A sample has a half-life of 1000 years. 1/2 of the isotopes are parents. How old is it?

a) 500 years

b) 1000 years

c) 2000 years

d) 4000 years

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User Rotsch
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7.9k points

2 Answers

10 votes
The answer is A you just divide the numbers
answered
User SanD
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8.4k points
6 votes
The correct answer is A
answered
User NewNameStat
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8.2k points
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