The First Term of the Arithmetic Sequence Is $\frac { 2 } { 3 }$

question 61

Essay

The first term of the arithmetic sequence is $\frac { 2 } { 3 }$ and the common difference is $\left( - \frac { 2 } { 3 } \right)$ . Which term of this sequence is $- \frac { 20 } { 3 }$ ?

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