document.write( "Question 240338: (9/8)^-2 the 9/8 is of course a fraction and the ^-2 is for a negative exponent. I dont get these. \n" ); document.write( "
Algebra.Com's Answer #176649 by Alan3354(69443) You can put this solution on YOUR website! (9/8)^-2 \n" ); document.write( "---------- \n" ); document.write( "= (9/8)^-2/1 \n" ); document.write( "It's a fraction. Multiply NUM and DEN by (9/8)^2 \n" ); document.write( "= (9/8)^0/(9/8)^2 \n" ); document.write( "= 1/(9/8)^2 anything with exponent 0 = 1 \n" ); document.write( "-------------- \n" ); document.write( "Moving a term from NUM to DEN (or v.v.) changes the sign of the exponent. \n" ); document.write( "(9/8)^-2 = 1/(9/8)^2 \n" ); document.write( "1/(9/8)^2 = (1/(9/8)^2 = (8/9)^2 \n" ); document.write( "1 over a fraction is the inverse of the fraction. \n" ); document.write( "= 64/81 \n" ); document.write( " \n" ); document.write( " |