r =6/18=1/3
a1=18
an=18*(1/3)^(n -1)
a7= 18*(1/3)^6= 18/729= 2/81
18, 6, 2, 2/3, ...
an = 2 × 3^(3 - n)
a7 = 2 × 3^-4
The seventh term of the sequence is 2/81.
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r =6/18=1/3
a1=18
an=18*(1/3)^(n -1)
a7= 18*(1/3)^6= 18/729= 2/81
18, 6, 2, 2/3, ...
an = 2 × 3^(3 - n)
a7 = 2 × 3^-4
The seventh term of the sequence is 2/81.