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A certain quantity has a century decay factor of 0.1. What is its yearly decay factor? (Round your answer to two decimal places.)
 

 Mar 28, 2020
 #1
avatar+115 
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I am not 100% as I am learning about this too so here I go. a=1-r is the decay formula a=1-.1=.9 .9^12=.282429=.28 rounded to two decimal places. I raised the.9 to the 12th because there are 12 months in 1 year. Do you have multiple attempts? 

 Mar 28, 2020
 #2
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+1

 (.1) 1 =  (1-r)100       century decay factor = yearly decay factor100

   .1    = (1-r)100               (1-r) = yearly decay factor = .977237221

 Mar 28, 2020

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