document.write( "Question 202091: \n" ); document.write( "
Algebra.Com's Answer #152358 by PRMath(133) ![]() You can put this solution on YOUR website! Simplify these following expressions: \n" ); document.write( "(2x)^4 x^3 \n" ); document.write( "(-3y)^4 \n" ); document.write( "(3z)^2(6z^2)^-3 \n" ); document.write( "5x2⁄25x5 \n" ); document.write( "10(x+y)^4/5(x+y)^3 \n" ); document.write( "1/6x(3x^2)^3 \n" ); document.write( "(5x^2)^3(1/25x^4)^2 \n" ); document.write( "(2z^2)^-5*z^-10 \n" ); document.write( "(3/x)^4(4/x)^-2 \n" ); document.write( "[2(r-s)]^2/(r-s)^3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's take a few at a time......\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I see your first problem as this:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If that is the problem, then you multiply:\r \n" ); document.write( "\n" ); document.write( "2 to the 4th power -- 2*2*2*2 = 16 (You distribute the exponent \"4\" to the 2 and to the \"x\"....\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and then you multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "FINAL answer: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next:(-3y)^4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That is: -3*-3*-3*-3 = 81 (See how the exponent 4 is distributed to the -3 and to the y?) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "FINAL answer: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next: (3z)^2(6z^2)^-3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If the problem is this: \n" ); document.write( "That is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That becomes: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Why? The exponent \"2\" distributes to the 3 and to the z.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The exponent -3 distributes to the 6 and to the \"z\". HOWEVER, for the \"z\", because you are raising a power to a power, you have to MULTIPLY the exponents. Therefore, the \"z\" becomes \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The problem is now:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "THAT becomes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's stop here for a second and go over some exponent rules, k? Then if you need help with your other answers, ask again. It seems like you may not understand exponents...........\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you raise a power to a power, then MULTIPLY the exponents. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you have a NEGATIVE exponent in the NUMERATOR, just put it in the denominator and make it a POSITIVE exponent:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you have a NEGATIVE EXPONENT in the DENOMINATOR, just put it in the numerator and make it a POSITIVE exponent.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I hope this helps......\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |