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Exercises 10.0: Sigma Notation

WRITING

1.  ${\displaystyle \sum _{k=1}^{14}{k}^2}$

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2.  ${\displaystyle \sum _{k=1}^{4}5k^2}$

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3.  ${\displaystyle \sum _{i=1}^4{x}_i{y}_i}$

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4.  ${\displaystyle \sum _{n=1}^6(50-n)}$

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5.  ${\displaystyle \sum _{x=1}^{50}\frac{1}{x}}$

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READING

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PROOFREADING

11.  ${\displaystyle \sum _1^{2}5}$

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12.  ${\displaystyle \sum _{x=1}^{10}x+1}$

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13.  ${\displaystyle \sum _{n=0}^3(n+x)}$

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14.  ${\displaystyle \sum _{x=2}^4\left(x^2{n}^x\right)}$

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15.  ${\displaystyle \sum _{i=3}^{2n}(i-1)}$

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