document.write( "Question 22511: I need help with my algebra 2. We are doing stuff with negative exponents and notation. Please i need help. My grade is a 7%. HELP!!!!!!!!! \n" ); document.write( "
Algebra.Com's Answer #10959 by AnlytcPhil(1806)\"\" \"About 
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I need help with my algebra 2. We are doing stuff with negative exponents\r\n" );
document.write( "and notation. Please i need help. My grade is a 7%. HELP!!!!!!!!!\r\n" );
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document.write( "To simplify a problem with negative exponents:\r\n" );
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document.write( "1. If a negative exponential occurs as a factor of a numerator, move the\r\n" );
document.write( "   base and exponent from the numerator to the denominator and change the\r\n" );
document.write( "   sign of the exponent to positive.\r\n" );
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document.write( "2. If a negative exponential occurs as a factor of a denominator, move the\r\n" );
document.write( "   base and exponent from the denominator to the numerator and change the\r\n" );
document.write( "   sign of the exponent to positive.\r\n" );
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document.write( "Example:\r\n" );
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document.write( "  2-1x3y-2\r\n" );
document.write( " ----------\r\n" );
document.write( "  2-3x-2y3\r\n" );
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document.write( "Move the 2-1 from the numerator to the denominator and change the sign of\r\n" );
document.write( "the exponent -1 to +1\r\n" );
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document.write( "     x3y-2\r\n" );
document.write( " ------------\r\n" );
document.write( "  212-3x-2y3\r\n" );
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document.write( "Leave the x3 where it is since it already has a positive exponent. Move the\r\n" );
document.write( "y-2 from numerator to denominator and change the sign of the exponent -2 to\r\n" );
document.write( "+2:\r\n" );
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document.write( "       x3\r\n" );
document.write( " ---------------\r\n" );
document.write( "   212-3x-2y3y2\r\n" );
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document.write( "Move the 2-3 from denominator to numerator and change the\r\n" );
document.write( "sign of the exponent -3 to +3:\r\n" );
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document.write( "     23x3\r\n" );
document.write( "  -----------\r\n" );
document.write( "   21x-2y3y2\r\n" );
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document.write( "Move the x-2 from denominator to numerator and change the\r\n" );
document.write( "sign of the exponent -2 to +2:\r\n" );
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document.write( "   23x3x2\r\n" );
document.write( "  --------\r\n" );
document.write( "   21y3y2\r\n" );
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document.write( "Now all the exponents are positive.  So we add the exponents of x3 and x2,\r\n" );
document.write( "getting x5 in the numerator:\r\n" );
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document.write( "    23x5\r\n" );
document.write( "  --------\r\n" );
document.write( "   21y3y2\r\n" );
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document.write( "Now we add exponents of y3 and y2 getting y5 in the denominator\r\n" );
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document.write( "    23x5\r\n" );
document.write( "  --------\r\n" );
document.write( "    21y5\r\n" );
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document.write( "Now we subtract the exponents of 23 and 21, getting 22, placing the result\r\n" );
document.write( "in the numerator because the larger exponent 3 is in the numerator:\r\n" );
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document.write( "    22x5\r\n" );
document.write( "  --------\r\n" );
document.write( "     y5\r\n" );
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document.write( "Finally we evaluate 22 as 4:\r\n" );
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document.write( "    4x5\r\n" );
document.write( "  --------\r\n" );
document.write( "     y5\r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com
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