Use Sigma Notation to Write the Sum $\frac { 1 } { 3 ( 1 ) } + \frac { 1 } { 3 ( 2 ) } + \frac { 1 } { 3 ( 3 ) } + \ldots + \frac { 1 } { 3 ( 9 ) }$

question 250

Multiple Choice

Use sigma notation to write the sum. $\frac { 1 } { 3 ( 1 ) } + \frac { 1 } { 3 ( 2 ) } + \frac { 1 } { 3 ( 3 ) } + \ldots + \frac { 1 } { 3 ( 9 ) }$

• A) \(\sum _ { i = 1 } ^ { 9 } - \frac { 1 } { 3 i }\)
• B) \(\sum _ { i = 0 } ^ { 10 } \frac { 1 } { 3 i }\)
• C) \(\sum _ { i = 1 } ^ { 9 } 3 i\)
• D) \(\sum _ { i = 1 } ^ { 9 } \frac { 1 } { 3 i }\)
• E) \(\sum _ { i = 1 } ^ { - 9 } \frac { 1 } { 3 i }\)

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