document.write( "Question 896005: how do you divide a cubed root by a cubed root
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document.write( "Ie:
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document.write( "2+ 3 cubed divided by 6 cubed? \n" );
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Algebra.Com's Answer #543177 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the formula when dealing with exponents is as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(a*b)^x = a^x * b^x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(a/b)^x = a^x / b^x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "assume a = 4 and b = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a^3 * b^3 is equal to (a*b)^3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4^3 * 2^3 = 64 * 8 = 512\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "by the formula, however, you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4^3 * 2^3 = (4*2)^3 = 8^3 = 512\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the answer is the same as it should be because the formula is one of the properties of exponent arithmetic.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "not let's look at 4^3 / 2^3.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this follows the form of a^x / b^x = (a/b)^x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "we know that 4^3 / 2^3 is equal to 64 / 8 which is equal to 8.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "we can use the formula as well to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4^3 / 2^3 is equal to (4/2)^3 is equal to 2^3 is equal to 8.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you get the same answer both ways as you should because the properties of exponent arithmetic tell you that you will.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so the rule is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a^x * b^x = (a*b)^x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a^x / b^x = (a/b)^x\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( " |