rachel is frosting the top of two cakes and wants to know which cake will require more frosting. one cake is round with a diamet
er of 8 inches. the other cake is square with a length of 9 inches. the top of which cake has a larger area? how much larger is it? please help fast i need this done!! thank you
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The wording of this question is a bit confusing... You can't write a sequence in sigma notation, but rather a series or sum. I think the question is asking you to write the sum of the sequence,
which would be
in sigma notation.
To do this, notice that the denominator in each term is a power of 2, starting with and ending with
. So in sigma notation, this series is