samkay2835 samkay2835
  • 03-03-2021
  • Mathematics
contestada

what is the sum of the geometric sequence 1,3,9... If there are 14 terms?

Respuesta :

irspow
irspow irspow
  • 03-03-2021

Answer:

Step-by-step explanation:

[tex]s_n=\frac{a(r^n-1)}{r-1},\ a=initial,\ r=common\ ratio,\ n=term\ number\\ \\ s_{14}=\frac{1(3^14-1)}{2}\\ \\ s_{14}=2391484[/tex]

Answer Link

Otras preguntas

What substances are hydrogen, covalent, or ionic
How do I do simplify this
For 1st main full answer can say any one Please send it fast
Which equation represents the total energy of a system
practice for 9_23 add the fractions
This is the act of freeing a country from being dependent on another country.what is the act? 20 points!
true or false? The bonds between atoms can break when compounds collide with enough enegery. 2) adding electric energy to water molecules can cause the bonds be
write a subtraction fact that will give the same difference as 15-7
Early in the twentieth century, Russia became the first European nation to lose a war to an Asian one. What nation defeated them? China Japan Korea India
Gary has enough money to buy at most 5.5 pounds of potatoes. How much money does Gary have?