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:
12.8767123288% so maybe 12.9
Step-by-step explanation:
Answer:
121.205882353
Step-by-step explanation:
Put it in a calculator
Answer:
2 1/3
1 4/3
2.333...
233.3...%
Step-by-step explanation:
Answer:
0.253
Step-by-step explanation:
since it is greater than 0.243