Answered

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If the half-life of an isotope is 50 years, calculate the percent of original radioactive atoms that remain radioactive after 200 years.
A
none

B
50%

C
12.5%

D
6.25%

Sagot :

Answer:

A. none

Explanation:

after 200 years, it would be 100 years gone

50+50=100

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