document.write( "Question 234136: Fraction: 2/-2^-3 is supposed to be equal to 16.
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document.write( "But I don't get it.
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document.write( "Can someone explain the process for my understanding? I don't know
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document.write( "how to deal with negative exponents especially when it's in a fraction. \n" );
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Algebra.Com's Answer #172675 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! 2/-2^-3 is supposed to be equal to 16. \r \n" ); document.write( "\n" ); document.write( "Use the rule that says: a^(-1) = 1/(a)^(+1)\r \n" ); document.write( "\n" ); document.write( "Actually, the answer is not 16 but -16.\r \n" ); document.write( "\n" ); document.write( "2/-2^-3 becomes 2/(-2)^(-3) = 2/(1/-8) \r \n" ); document.write( "\n" ); document.write( "For 2/(1/-8), we multiply the top and bottom by -8.\r \n" ); document.write( "\n" ); document.write( "So, 2/(1/-8) becomes 2(-8)/1 = -16/1 = -16\r \n" ); document.write( "\n" ); document.write( "The correct answer is -16. \n" ); document.write( " |