Answer:
a9=13122
Explanation:an=a1rn−1
Substitute in the values of
a1=2 and r=3
an=(2)⋅(3)n−1
Remove parentheses.
an=2⋅3n−1
Substitute in the value of n to find the 9th term.
a9=2⋅3(9)−1
Subtract
1 from 9
a9=2⋅38
Raise 3 to the power of 8.
a9=2⋅6561
Multiply
2 by 6561.
a9=13122