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givi [52]
3 years ago
15

What is the 8th term of the sequence 6,18,54,....?

Mathematics
1 answer:
deff fn [24]3 years ago
7 0
r =  \frac{18}{6} \\ 
r = 3 \\ 
 \\ 
 a_{n}  =  a_{1} *  r^{n-1}  \\ 
 a_{8} = 6 *  3^{8 - 1}  \\ 
a_{8} = 6 *  3^{7} \\
a_{8} = 6 * 2187 \\
a_{8} = 13122 


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