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12-5 Sigma Notation and the nth term

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12-5 Sigma Notation and the nth term

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## 12-5 Sigma Notation and the nth term

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**Σ – (sigma) means to add**You can write a series in sigma notation: k= max value n= starting value = expression**Rewrite the expression in standard form then find the sum**1) 2)**Express the series in sigma notation:**4) 15 + 24 + 35 + 48 + …+143 5)**! – (factorial) The product of an integer and all the**integers less than it (ex: 5!= 5 *4*3*2*1) Express the series using sigma notation: