document.write( "Question 407431: can i know the formula in order to solve this problem. 1,2,4,8... how to get the next term using geometric sequence. thank you! \n" ); document.write( "
Algebra.Com's Answer #287254 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi
\n" ); document.write( " Geomtric Sequence {1,2,4,8...} r = 2
\n" ); document.write( " \"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\"
\n" ); document.write( " \"a%5Bn%5D+=+1%2A2%5E%28n-1%29\"
\n" ); document.write( " \"a%5B5%5D+=+1%2A2%5E%284%29=+16\" \n" ); document.write( "
\n" );