Question

a1=9 r=1/3 find a7 ​

Answer 1

Answer:

$a_{7} = a {r}^{6}$

$a_{7} = 9 \times { (\frac{1}{3}) }^{6}$

$a_{7} = \frac{1}{81}$

Answer 2

Answer:

Step-by-step explanation:

A=9

r=1/3

a7= ar^6

=9×(1/3)^6

=3^2×1/3^6

=3^-4

=1/81