Question

a1=9,r=1/3, find a7 in gp

Answer 1

An = Axr power n-1
A7 = 1x1/3 power 7-1
A7 = 1/3 power 6
A7 = 1/729

Answer 2

a = 9 & r = 1/3

so , 7th term will be

a7 = ar^6

a7 = (1/3)^6 = 1/729