pukachus
pukachus pukachus
  • 04-01-2018
  • Mathematics
contestada

Calculate the partial sum S(5) for the sequence 243, 81, 27,... .

Respuesta :

Hosein
Hosein Hosein
  • 04-01-2018

[tex]s(5) = \frac{243(1 - ( { \frac{1}{3})^{5} )} }{1 - \frac{1}{3} } = \frac{242}{ \frac{2}{3} } = 3 \times 121 = 363[/tex]
Answer Link

Otras preguntas

I NEED HELP PLEASE !!!!
how to get 98 % marks in maths subject ??
What are the charges both inside and outside of the neuron after the simulation is complete?
A bag contains 4 g r e e n marbles, 8 b l a c k marbles, and 7 b l u e marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what i
Can someone please help!!
7. What is the name of: CH3-CH(CH3)-CH2- alky group? *isopropylpropylsec-butyl butyl​
31 days, 160 residents multiply it.
What is the formula for hexaboron tetrabromide
when was it first noticed that there was something wrong with the girl ​
Show that a 2,500,000-J change in kinetic energy occurs for an airplane that is moved 500 m in takeoff by a sustained force of 5000 N.