logr4eeWholatalberh
logr4eeWholatalberh logr4eeWholatalberh
  • 19-07-2016
  • Mathematics
contestada

find the next 3 terms in the geometric sequence.

1, 4, 16, 64, ...

a)256, 1024, 4096
b) 86, 108, 130
c) 128, 256, 512
d) 96, 192, 288

Respuesta :

dalendrk
dalendrk dalendrk
  • 24-07-2016
[tex]a_1=1;\ a_2=4;\ a_3=16;\ a_4=64;\ a_5=?;\ a_6=?;\ a_7=?\\\\r=a_2:a_1\\\\r=4:1=4\\\\a_n=a_1r^{n-1}\\\\a_n=1\cdot4^{n-1}=4^{n-1}\\\\a_5=4^{5-1}=4^4=256\\\\a_6=4^{6-1}=4^5=1024\\\\a_7=4^{7-1}=4^6=4096\\\\Answer:\boxed{256;\ 1024;\ 4096}\to\fbox{a)}[/tex]
Answer Link

Otras preguntas

what is the place value of the 2 in 7270
calculate the [oh−] in a solution with a ph of 12.52.
true or false bed rest is recommended for bodily infections.
you and your friends go to the movies the cost of admission is $9.50 per person create a table showing the relationship between the number of people going to t
What is angle IAK using the information provided?
What is five hundred eight thousand in standard form
after elsa baked muffins, her brother ate 4 of them. he ate 2 5 of all of the muffins. how many muffins did elsa bake?
I'm currently stuck on numbers 105, 106, 107, 108, 111, and 112. I would prefer answers with explanations rather than just answers so I can show my work.
4. A friend knows you are taking a technology class in college and asks you how a hard drive works. In your own words, describe how a hard drive works.
Label the place value 9 is in 7854.209