document.write( "Question 26308: 3) Use the geometric series 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?
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document.write( "b) Using the formula for the nth term of a geometric series, what is 10th term? Answer:
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document.write( "c) Using the formula for the nth term of a geometric series, what is 12th term? Answer:
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document.write( "d) What observation can make about these sums? In particular, what number does it appear that the sum will always be smaller than?
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document.write( "Answer: \r
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Algebra.Com's Answer #14151 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a) r=(1/2)/1=1/2 \n" ); document.write( "b) 10th term = (1st term)(1/2)^(10-1) \n" ); document.write( " = (1/2)^9 = 1/512 \n" ); document.write( "c) 12th term = (1st term)(1/2)^11 \n" ); document.write( " = 1/2048 \n" ); document.write( "d) Each term is (1/2) the term before it. The sum of \n" ); document.write( "the terms up to any point will be less than 2. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |