Saturday

November 22, 2014

November 22, 2014

Posted by **Anonymous** on Monday, May 7, 2012 at 1:53am.

- math problem please help -
**Reiny**, Monday, May 7, 2012 at 8:28amIf a(2) = 1/2 , with r = 1/2

then a(1/2)r = 1/2

and a = 1

now just use the formula

sum(10) = 1( 1 - (1/2)^10)/(1-1/2)

= (1 - 1/1024)/(1/2)

= 2(1023/1024)

= 1023/512

**Answer this Question**

**Related Questions**

math problem please help - find sum of the first 10terms of geometric series ...

Geometric Series (Algebra 2) - I need some assistance or a formula when trying ...

Math(arithmetic & Geometric Series) - 1)The sum of 6 terms of an arithmetic ...

math studies - An arithmetic series has a first term of -4 and a common ...

Math....Please help I have a deadline for tonight! - Use the geometric sequence ...

Math. - The first term of a geometric series is 4 and the sum of the first three...

CALC II - Determine the convergence of the following series using the nth-...

math - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2...

algebra - Can someone please help me with this problem? Thanks! Evaluate the ...

Geometric series - The sum of the first five terms of a geometric series is 186 ...