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The number of visits to public libraries increased from 1.4 billion in 1990 to 1.5 billion in 1994. Find the average rate of change in the number of public library visits from 1990 to 1994.

 May 28, 2023
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1994  -  1990 ==4 years' period involved.

 

[1.5 / 1.4]^(1/4) ==1.017397 - 1  x  100==1.7397% - average annual compound rate of change

 May 28, 2023

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