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A rock sample has 25% of its original radioactive element and the half-life of the element is 1 million years. How old is the sample? A.)2 Million Years B.)0 1 Million Years C.)500.000 D.)50,000
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A rock sample has 25% of its original radioactive element and the half-life of the

element is 1 million years. How old is the sample?
A.)2 Million Years
B.)0 1 Million Years
C.)500.000
D.)50,000

User Albertha
by
4.6k points

1 Answer

4 votes

Answer:

c 500000

Step-by-step explanation:

the half was 1000000 so it's 2000000 and 25% of that is 500000

User Sebastian Starke
by
4.9k points
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