Tuesday

September 2, 2014

September 2, 2014

Posted by **azmeerahim** on Friday, January 18, 2013 at 2:49am.

0.05, 0.2, 0.8, ... Find the sum from the 5th term to the 8th term?

- Math -
**Steve**, Friday, January 18, 2013 at 4:51amThat would be S8 - S4

Since r = 4

.05(4^8-1) - .05(4^4-1) = 3264

- Math -
**azmeerahim**, Friday, January 25, 2013 at 12:44pma=0.05

r=4

S8=0.05(4^8-1)/3=1092.25

S4=0.05(4^4-1)/3=4.25

Sum from 5th term to 8th term is

S8-S4=1088

**Answer this Question**

**Related Questions**

Geometric progression - The second term of a geometric progression is 12 more ...

GP Caluculus - The third term of a geometric progression is 16. The sum of the ...

GP Caluculus - The third term of a geometric progression is 16. The sum of the ...

GP Caluculus - The third term of a geometric progression is 16. The sum of the ...

math - 1) If the number 1,1/3,1/9, are terms of Geometric progression. Find its ...

Math - the sum of the 4th term and the 5th term is 12.if the 4th term of the ...

math - find the sum of the first 8th term of the Geometric progression, 1,3,9,27

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Maths - 1) In the arithmetic progression, the 8th term is twice the 4th term and...

Math Algebra - The first term of a geometric progression is more than the third ...