document.write( "Question 986853: Find a_5 for the following geometric sequence: a_2=4096, r=1/4?\r
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Algebra.Com's Answer #607663 by MathTherapy(10555)\"\" \"About 
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Find a_5 for the following geometric sequence: a_2=4096, r=1/4?\r
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\n" ); document.write( "Formula for a term in a geometric sequence: \"a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29\"
\n" ); document.write( "We then get: \"a%5B2%5D+=+a%5B1%5D+%2A+%281%2F4%29%5E%282+-+1%29\"
\n" ); document.write( "\"4096+=+a%5B1%5D+%2A+%281%2F4%29\"
\n" ); document.write( "\"a%5B1%5D+=+4096%2F%281%2F4%29\"
\n" ); document.write( "\"a%5B1%5D+=+4096+%2A+4%29\"
\n" ); document.write( "\"a%5B1%5D+=+16384\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29\"
\n" ); document.write( "We then get: \"a%5B5%5D+=+16384+%2A+%281%2F4%29%5E%285+-+1%29\"
\n" ); document.write( "\"a%5B5%5D+=+16384+%2A+%281%2F4%29%5E4\"
\n" ); document.write( "\"a%5B5%5D+=+16384+%2A+%281%2F4%5E4%29\"
\n" ); document.write( "\"a%5B5%5D+=+16384+%2A+%281%2F256%29\"
\n" ); document.write( "\"a%5B5%5D+=+64cross%2816384%29+%2A+%281%2Fcross%28256%29%29\"
\n" ); document.write( "\"highlight_green%28a%5B5%5D+=+64%29\"
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