Question: 21. Use summation notation to express each of the follow- ing calculations: a. Add the scores, and then add 3 points to the total. b.

21. Use summation notation to express each of the follow- ing calculations:

a. Add the scores, and then add 3 points to the total.

b. Subtract 2 points from each score, and square the result. Then add the squared values.

c. Square each score, and add the squared values. Then subtract 10 points from the sum.

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