Your best bet would be D.
Answer:
Step-by-step explanation:
hello :
the n-ieme term is : An=A1×r^(n-1)
A1 the first term r : the common ratio
in this exercice : A1 =15 r = 1/3 n = 4
A4=15×(1/3)^(4) =15×4^4 =3840
I believe it's 199,000 to the nearest 1,000 and
200,000 to the nearest 10,000
336......?? find the area of cross section and than multiply with the lenght