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 prevents the gravity of the sun to pull all of the planets towards it?(1 point) the large distance of the planets from the sun the sun's weak gravity the p
Which property of equality can be used to justify this step? 15 - 10x = 6x + 10x + 10x 15 = 16x A. Substitution Property of Equality B. Summation Property of Eq
A CLOSER LOOK AT Compound Inequalities We previously learned that compound inequalities are two inequalities joined by the word "or" or "and". Sometimes you rea
The Necklace I need help
Pleas help me out I’m super confused
360+100+x+(x/10)=720
Please help with questions b
Given f(x) = 3x^2 + 3 and g(x) is modeled with the graph below, create an equation that models (f+g)(x).
Manuel climbs a tower from ground level to an elevation of 135 1/2 ft he climbs down 27 1/2 ft how far is Manuel from the ground​
Which statements are true concerning our interpretation of the results of an experiment? Conclusions inferred from data are often judgments. An experiment perfo