document.write( "Question 1044652: What is the missing number in the sequence ? \r
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document.write( "64, -16, 4, -1, ___ \n" );
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Algebra.Com's Answer #659985 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Geometric progression. Common ratio for successive terms. \n" ); document.write( " |