document.write( "Question 250626: WHAT IS THE 10TH TERM OF THE GEOMETRIC SEQUENCE 64,-32,16,8??? \n" ); document.write( "
Algebra.Com's Answer #184815 by palanisamy(496)\"\" \"About 
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The given Geometric sequence is 64,-32,16,-8,4,...
\n" ); document.write( " The first term a = 64
\n" ); document.write( " The common ratio r = -1/2
\n" ); document.write( " The nth tern Tn = ar^(n-1)
\n" ); document.write( " Tn = 64*(-1/2)^(n-1)
\n" ); document.write( "Put n=10.
\n" ); document.write( " The 10th term T10 = 64*(-1/2)^(10-1)
\n" ); document.write( " = 64*(-1/2)^9
\n" ); document.write( " = -(2^6)/2^9
\n" ); document.write( " = -1/2^3
\n" ); document.write( " = -1/8
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