document.write( "Question 1205780: how do you solve -27^-2/3
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Algebra.Com's Answer #842811 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "First of all the negative sign is not the sign of 27, for it is\r\n" );
document.write( "the sign of the entire expression.  The above is equivalent to\r\n" );
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document.write( "The exponent is negative which means that it is the reciprocal\r\n" );
document.write( "of the expression with an exponent with the positive sign.\r\n" );
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document.write( "Now a fractional power with a 1 numerator is the root of the \r\n" );
document.write( "base with the same index.  So let's first write the fractional exponent 2/3\r\n" );
document.write( "as (1/3)(2)\r\n" );
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document.write( "Then we use the law of multiplied exponents as\r\n" );
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document.write( "Go back to the rule that a fractional power with a 1 numerator is the \r\n" );
document.write( "root of the base with the same index as the denominator of the \r\n" );
document.write( "fractional exponent.\r\n" );
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document.write( "The cube root of 27 is 3, so we have\r\n" );
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document.write( "And since 3 squared is 9, we have\r\n" );
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document.write( "Edwin

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