The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days? - SchoolNGR

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The half-life of a radio-active element is 9 days, what fraction of atoms has decayed ...

The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days?

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

A \( \frac{1}{16} \)
B \( \frac{1}{4} \)
C \( \frac{1}{2} \)
D \( \frac{15}{16} \)

Correct Answer: Option D

Explanation:

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