Answer:
537.47712
Step-by-step explanation:
a = 125 ... the first term?
r = 1.2
ok use the formula: a_n = (a_1) * r ^(n-1)
we want a_9 = (a_1) * r^(9-1)
a_9 = 125 * (1.2)^8 = 125 * 4.29981696 = 537.47712
