BernieCurren164 BernieCurren164
  • 17-04-2014
  • Mathematics
Answered

Find the 8th term of geometric sequence {a_{n}, n = 1, 2, 3, . . .} with common ratio r = 0.5 and first term a_{1} = 2.

Answer :

Аноним Аноним
  • 17-04-2014
[tex]a_n=a_1\cdot q^{n-`1}\\\\a_1=2;\ q=0.5=\frac{1}{2}\\\\\\a_8=a_1\cdot q^{8-1}=a_1\cdot q^7\\\\a_8=2\cdot\left(\frac{1}{2}\right)^7=2\cdot\frac{1}{2^7}=2\cdot\frac{1}{128}=\frac{1}{64}\\\\\\Answer:a_8=\frac{1}{64}[/tex]
Answer Link

Other Questions

which number is a palindrome 654 or 606
what is cognitive grammar
This freedom allows the newspapers and television broadcast to criticize the government Freedom and liberty to all Freedom to petition Freedom of the press Free
What is the name of the process by which molecules naturally flow from an area of higher concentration to one of lower concentration A Respiration B Transfusion
Jesse purchased a full tank of gas on Thursday on Friday he took a road trip and use one half of a tank on Sunday he did the same here and use an additional one
Which letter or letters in the outline should be capitalized I Kinds of Flowers I Like a Daisies b Roses c Lilies Choose all answers that are correct A a B b C
How to solve 3735x6
the apperant backward movement of a planet is called
the first number in a multiplication problem is called the
how did sea lamprey get here