document.write( "Question 111065: How would you evaluate this expression?\r
\n" ); document.write( "\n" ); document.write( "4 with an exponent of -2 minus 4 with an exponent of -1 \n" ); document.write( "

Algebra.Com's Answer #81045 by MathLover1(20850) $\"\"$ $\"About$

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$\"4+%5E+-2+-++4+%5E+-1+\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"1%2F4%5E2\"$ Ц $\"1%2F4%5E1\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"1%2F8\"$ - $\"1%2F4\"$ ЕЕЕ.multiply $\"1%2F4\"$ by $\"2\"$ to get denominator $\"8\"$
\n" ); document.write( "and it will be: $\"1%2F4+=+2%2F8\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"1%2F8\"$ Ц $\"2%2F8\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"-1%2F8+\"$
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