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Part 1
The annual amount of energy produced in a country from dry natural gas​ (in trillion cubic​ feet) can be approximated by the function ​g(t)equals18.3 left parenthesis 1.032 right parenthesis Superscript t​, where tequals10 corresponds to the year 2010.
​(a) Find the amount of dry natural gas energy produced in 2021.
​(b) If the model continues to be​ accurate, project the amount of dry natural gas energy produced in 2028.
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Part 1
​(a) The amount of dry natural gas energy produced in 2021 was
  
enter your response here trillion cubic feet.
​(Round to two decimal places as​ needed.)