DaisyVerrone DaisyVerrone
  • 19-05-2014
  • Mathematics
contestada

Using a_n=a_1r^{n-1}, what is the 10th term in this geometric sequence? [tex]0.2,1,5,25,125,...[/tex]

Respuesta :

Ryan2
Ryan2 Ryan2
  • 19-05-2014
[tex]a_n=a_1.r^{n-1}\\ \\ a_{10}=(0.2).5^9\\ \\ a_{10}=(0.2).1,953,125=390,625[/tex]
Answer Link

Otras preguntas

Please help me with numbers 1 through 12 I really need them quick I don't understand Spanish?
The perimeter of a rectangle swimming pool is 160 feet. The length of the swimming pool is four times its width . Find the dimensions of the swimming pool.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5m/s/s. Determine the mass of the encyclopedia
Joe has eaten 3/5 of a pizza, Jane has eaten 1/7 of a pizza. How many times more pizza has Joe eaten more than Jane? Compared to Jenny, Sally is 7/8 as tall and
Which part of speech is the underlined word in the sentence? The clerk mopped his brow and spoke wearily. A. pronoun B. verb C. adjective D. noun
What is the difference between a crystal lattice and a unit cell?
A sequence is defined recursively by f(1)=16 and f(n)=f(n-1)+2n. Find f(4). Please help!
7.025 how to change it to a fraction?
-0.8x-8=0.2x What is x?
the main difference between speed and velocity involves