Given the geometric sequence: `14, \ 112/3, \ 896/9, \ cdots`

Find an explicit formula for `a_n`, where the first term is `a_1 = 14`.
`a_n =`  

Find `a_(8) =`  

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Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question

Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity