document.write( "Question 83788: Please can you help me with the following problem.
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document.write( "Use the geometric sequence of numbers 1, 2, 4, 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 sequence, what is the 24th term?
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document.write( "c) Using the formula for the sum of a geometric series, what is the sum of the first 10 terms?
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document.write( "Thank you for your help.
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Algebra.Com's Answer #60279 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! 1, 2, 4, 8.... \n" ); document.write( "r = a selection / the previous number \n" ); document.write( "r = 2/1 = 4/2 = 8/4 \n" ); document.write( "r = 2 \n" ); document.write( "... \n" ); document.write( "(2)^(n - 1) where n = 24 \n" ); document.write( "2^(23) = 8,388,608 \n" ); document.write( "... \n" ); document.write( "a(1 - r^n)/(1 - r) \n" ); document.write( "(1 - 2^n)/(1 - 2) \n" ); document.write( "2^10 - 1 \n" ); document.write( "1023 \n" ); document.write( " |