Answer:
9.407x10-11
Step-by-step explanation:
8.18(9.407x(10)−11)10−6(1.15(9.407x(10)−11)10−5)
8.18(9.407x(10)−11)10−6(1.15(9.407x(10)−11)10−5)
Answer:

Step-by-step explanation:
Given the geometric sequence

then

Hence,

Thus, the explicit formula is

198 ÷ 21 = 9.4285714286
........... Um.... Well then.. Is that an option?