Sketch base ten pieces to show the minimal collection for each decimal. Then, write the number as a fraction.(A minimal collection is one that uses the fewest possible number of pieces.)

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

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