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A Certain Substance Has a Half-Life of 5 $10^{10}$ Bq)
A) 5

Question 69

Multiple Choice

A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to give an initial activity of 6.0 μCi?
(1 Ci = 3.7 × $10^{10}$ Bq)

A) 5.8 × $10 ^ { 9 }$ nuclei
B) 8.5 × $10^8$ nuclei
C) 6.3 × $10^8$ nuclei
D) 3.2 × $10 ^ { 9 }$ nuclei
E) 2.4 × $10 ^ { 9 }$ nuclei

A Certain Substance Has a Half-Life of 5 101010^{10}1010 Bq) A) 5

Multiple Choice

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A Certain Substance Has a Half-Life of 5 $10^{10}$ Bq)
A) 5

Correct Answer:
Verified
Unlock this answer now
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