37.68m this is my best guess sorry if it's wrong :)
Answer:
dont know
Step-by-step explanation:
sorry
Answer:
Step-by-step explanation:
cute it into separate parts then add the areas together
Answer: 764
Step-by-step explanation:
This is a geometric sequence with common ratio (r) = 2.
an = ar^(n - 1)
a4 = a(2)^(4 - 1) = a(2)^3 = 8a
8a = 80
a = 80/8 = 10
7th term (a7) = 10(2)^(7 - 1) = 10(2^6) = 10(64) = 640