Posted by **Jon** on Tuesday, March 4, 2008 at 3:47pm.

Prove that the statement: (1/5)+(1/5^2)+(1/5^3)+...+(1/5^n)=(1/4)(1-1/5^n) is true for all positive integers n. Write your proof in the space below.

- Math -
**bobpursley**, Tuesday, March 4, 2008 at 4:03pm
isnt this an arithmetic series of value r=1/5 ? Isnt there a formula for it?

- Math(im working on it) -
**Jon**, Tuesday, March 4, 2008 at 4:27pm
I think I got it. I'll have my answer shortly

- Math -
**Jon**, Tuesday, March 4, 2008 at 4:44pm
Ok I have all my work down in the space but I have a spot that says:

Answer_________ What do they want me to put in that spot. I know "the answer" duh but I have all the steps and my work above that and I don't know what the "answer" is I dont want to do ALL that work and leave the answer place blank. Please tell me that made sense.

## Answer this Question

## Related Questions

- 12th grade - prove that the statement 1/5+1/5^2+1/5^3 +...+1/5^n=1/4(1-1/5^n) is...
- Algebra II - The problem is:Prove that the statement 1/5+1/5^2+1/5^3+...1/5^n=1/...
- Algebra II - The problem is:Prove that the statement 1/5+1/5^2+1/5^3+...1/5^n=1/...
- Algebra II - In an induction proof of the statement 4+7+10+...+(3n-1)=n(3n+5)/2 ...
- math - 1)Find the third iterate x3 of f(x)=x2-4 for an initial value of x0=2 A)-...
- discrete math - use a direct proof to show that the product of two odd numbers ...
- math induction - prove the product of 4 consecutive integers is always divisible...
- pre-calc - A statement Sn about the positive integers is given. Write ...
- discrete math - 1)prove that if x is rational and x not equal to 0, then 1/x is ...
- math - Let f:ℤ+ → ℤ+ be the function defined by: for each x &#...

More Related Questions