document.write( "Question 415397: My teacher says you shouldn't have a negative exponent. What do I do to figure out a problem like this:(2b^4)^-1???? \n" ); document.write( "
Algebra.Com's Answer #291238 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Put a 1 under it and a 1 times it:\r\n" );
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document.write( "Rule: To make a negative exponent positive, move the entire\r\n" );
document.write( "exponential from the \r\n" );
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document.write( "top to the bottom if the exponential with the negative exponent is in the top,\r\n" );
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document.write( "or from the\r\n" );
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document.write( "bottom to the top if the exponential with the negative exponent is in the bottom,\r\n" );
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document.write( "and change the sign of the exponent to positive, so \r\n" );
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document.write( "\"%282b%5E4%29%5E%28-1%29\" is in the top so we bring it to the bottom and\r\n" );
document.write( "change the sign of the -1 exponent to positive 1. \r\n" );
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document.write( "So we have \r\n" );
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document.write( "\"1%2F%281%2A%282b%5E4%29%5E1%29\"\r\n" );
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document.write( "and we can now erase the 1's in the bottom and the parentheses and \r\n" );
document.write( "just have:\r\n" );
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document.write( "\"1%2F%282b%5E4%29\"\r\n" );
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document.write( "but we can't erase the 1 on top.\r\n" );
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document.write( "Edwin

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