A radioactive substance is decaying exponentially with yearly decay factor 0.93. What is the decade decay factor?
A) 0.09
B) 0.99
C) 9.3
D) 0.48

Name: A radioactive substance is decaying exponentially with yearly decay factor 0.93. What is the decade decay factor? A) 0.09 B) 0.99 C) 9.3 D) 0.48
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Question

Quizplus · Accepted Answer

The decade decay factor can be found by raising the yearly decay factor to the power of 10, since a decade is 10 years. Thus, $0.93^{10} \approx 0.48$.

A Radioactive Substance Is Decaying Exponentially with Yearly Decay Factor