document.write( "Question 711645: I have problem 4^-2 +8-6^2(2+1). I got answer of -6.25. Book has -99.9375. What did I do wrong. I thought you had to make exponent positive before you could solve it. Tks \n" ); document.write( "

Algebra.Com's Answer #437503 by god2012(113) $\"\"$ $\"About$

You can put this solution on YOUR website!
Given : $\"4%5E-2+%2B+8+-+6%5E2%282+%2B+1%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "Solution :\r
\n" ); document.write( "\n" ); document.write( " $\"%281%2F4%5E2%29+%2B+8+-+36+%2A3+\"$
\n" ); document.write( " $\"%281%2F16%29+%2B+8+-+108\"$
\n" ); document.write( " $\"%281%2F16%29-100\"$
\n" ); document.write( " $\"%281-1600%29%2F16\"$
\n" ); document.write( " $\"-1599%2F16\"$ = -99.9375 \n" ); document.write( "

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