A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain after 72 days? - SchoolNGR

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A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain ...

A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain after 72 days?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 9.766 × 10^-4
B 1.736 ×10^-3
C 1.953 ×10^-3
D 3.472 × 10^-3
E 3.906 x 10^-3

Correct Answer: Option C

Explanation:

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