An = a1 * r^(n-1)
n = term to find = 18
a1 = first term = 3
r = common ratio = 4/3
now we sub
a18 = 3 * 4/3^(18 - 1)
a18 = 3 * 4/3^17
a18 = 3 * 133
a18 = 399
Answer:
Step-by-step explanation:
it is four thousand one hundred eighty five
Answer:
B) 5065
Step-by-step explanation:
100.5 times 5 = 502.5
502.5 times 100
+ 8 times 5 (commission)