Answer:
30
Step-by-step explanation:
The sum formula for a geometric sequaence is:
sum(n) = a1(1-r^n)/1-r
Where n is the number of terms, a1 is the first term and r is the common ratio:
s(8) = 3(1-1/2^8) / (1-1/2)
s(8) = 3(1-1/256) / 1/2
s(8) = 2 253/256 / 1/2
s(8) = 765/128
The answer is C.
Answer:
yes
Step-by-step explanation:
4.2*3 is 12.6 when you divide 12.6 by 0.7 you get 18.
Answer:
500 divided by 80 equals 6.25. 6.25 divided by 100 equals 0.0625
Step-by-step explanation:
500 divided by 80 equals 6.25. 6.25 divided by 100 equals 0.0625
Answer:
= 
Step-by-step explanation:
