What is the decimal representation of 27/100?

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Wholesome food company has been hired to design a healthy menu for the cafeteria at ridgemont high school. they want to conduct a survey to determine what percentage of ridgemont’s 15001500 students like broccoli. the survey will ask, “do you like broccoli? ”

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?