document.write( "Question 7150: 1st of all, sorry about the previous question, i was looking in the wrong section, i found something similar in the square root section and understand better now. ok, I have to simplify 243 to the power of - 2/5, i can get as far as 1 divided by 5th root of 243 to the power of 2, but after that my mind goes blank. the answer given is 1/9 and i need help working out how they got that. thank you in advance \n" ); document.write( "
Algebra.Com's Answer #3946 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Well, your first step is ok:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Finding the square of a number is relatively easy. \n" ); document.write( "Finding the fifth root of a number isn't. But you can do both with your calculator.\r \n" ); document.write( "\n" ); document.write( "Type in 243 then ^ then (2/5) then hit the enter or = key.\r \n" ); document.write( "\n" ); document.write( "You should get: \n" ); document.write( "\n" ); document.write( "So the answer of 1/9 is correct. \n" ); document.write( " |