Find seventh term given a=9,r=1/3 gp
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Answer:
1/81
Step-by-step explanation:
Tn = ar^(n-1)
where a = 9
r = 1/3
n = 7
=> Tn = ar^(n-1)
=> T7 = 9 * 1/3 ^ ( 7-1 )
=> T7 = 9 * 1/3 ^ 6
=> T7 = 9 * 1/729
=> T7 = 1/81
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