Friday

April 18, 2014

April 18, 2014

Posted by **michael** on Wednesday, January 25, 2012 at 9:12am.

find the sum of the 1st 7th term

- maths -
**Reiny**, Wednesday, January 25, 2012 at 9:33amI will assume to meant that first term to be .05

a=.05

r = .1

term(7) = ar^6 = (.05) (.1)^6 = .00000005

(notice term2 had 2 zeros before the 5

term3 had 3 zeros before the 5

..

term7 has 7 zeros before the 5 )

sum(7) = (.05)(1 - .1^7)/(1 - .1)

= .05555...

**Related Questions**

maths - Given the G.P x,y,15. Find the value of x and y find the 9th term find ...

College Business Statistic - One operation of a mill is to cut pieces of steel ...

Further maths - The 7th term of an A.p is 20 and the 13th term is 38 find the ,1...

Further maths - The 7th term of an A.p is 20 and the 13th term is 38 find the ,1...

Maths - The 3rd term of an AP is 10 more than the first term while the fifth ...

Math - Given a geometric progression: 0.05, 0.2, 0.8, ... Find the sum from the ...

math - how would i find the sum of the 7 term. if i have 1st term = 11 and 7th ...

Calculus - Wouldn't this sequence be neither geometric and neither arithmetic? ...

maths - the frst term of AP is 4 and the last term is 79.given that the sum of ...

Maths - The 14th term of an Ap is double the 4th term.find the 10th term if the ...