How many times larger is 3 x 10 to the negative fifth power than 6 x 10 to the negative twelfth power?
1 answer:
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Given:
The recipe calls for cup of strawberries for each gallon of lemonade.
Tia has 6 cups of strawberries.
To find:
The number of gallons of lemonade she can make.
Solution:
We have,
cup of strawberries for = 1 gallon of lemonade
cup of strawberries for =
gallons of lemonade
= gallons of lemonade
= gallons of lemonade
cup of strawberries for =
gallons of lemonade
= gallons of lemonade
= gallons of lemonade
Therefore, 9 gallons of lemonade she can make by using 6 cups of strawberries.
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