document.write( "Question 1067552: (-7)-² ÷(90)-¹
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Algebra.Com's Answer #683052 by stuylin(8)\"\" \"About 
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the multiplicative inverse of a number is in other words, the reciprocal of the number. (the reciprocal of 2 is 1/2; the reciprocal of 1/9 is 9, etc.)\r
\n" ); document.write( "\n" ); document.write( "for this problem, first you have to solve the expression.\r
\n" ); document.write( "\n" ); document.write( "(-7)^-2 is the same as 1/(-7)^2, which is 1/49
\n" ); document.write( "(90)^-1 is the same as 1/(90)^1, which is 1/90\r
\n" ); document.write( "\n" ); document.write( "1/49 divided by 1/90 is the same as 1/49 multiplied by 90, so
\n" ); document.write( "the answer is 90/49.
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