Answer:
441
Step-by-step explanation:
Answer:
a₁ = 6
Step-by-step explanation:
The sum to n terms of a geometric sequence is
= 
where a₁ is the first term and r the common ratio
Here
= 1530 and r = 2, thus
= 1530 , that is
a₁ (256 - 1) = 1530
255a₁ = 1530 ( divide both sides by 255 )
a₁ = 6
Answer:
1+7=8
Step-by-step explanation:
I hope it helps
carryonlearning
Answer:
(4, 2.5)
Step-by-step explanation:
2.5 = 2 