document.write( "Question 33666: Use the geometric sequence of numbers 1, 1/2, 1/4, 1/8,…to find the following:
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document.write( "a)What is r, the ratio between 2 consecutive terms? \r
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document.write( "b)Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Round your answer to 4 decimals.
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Algebra.Com's Answer #20075 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a) r = 1/2 \n" ); document.write( "b) S(n) = a(1-r^n)/(1-r) \n" ); document.write( " S(10)= 1(1-(1/2)^10)/(1/2) \n" ); document.write( " S(10)= (0.999......)/(1/2)=1.9980 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |