document.write( "Question 1049708: Solve antilog(-3.5048) \n" ); document.write( "
Algebra.Com's Answer #665272 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the anti-log of a number is the number that you take the log of in order to get that number.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, if your number is -3.5048, then the anti-log of -3.5048 is the number that you take the log of in order to get -3.5048.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "algebraically this is shown as log(x) = y.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "unless otherwise stated, the base of the log is always assumed to be 10.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in your problem this would be log(x) = -3.5048.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x is called the anti-log of -3.5048.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you need to solve for x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the basic definition of logs states:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "log(x) = y if and only if 10^y = x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in your problem, y is equal to -3.5048, so the definition becomes:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "log(x) = -3.5048 if and only if 10^-3.5048 = x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you can use your calculator to solve for x to get x = (3.127519311 * 10^-4).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if this is correct, then 10^(3.127519311 * 10^-4) will be equal to -3.5048.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "use your calculator to see that it does.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "note that 3.127519311 * 10^-4 is the same as .0003127519311.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you can enter it either way.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's an online calculator you can use if you don't have one.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "http://www.alcula.com/calculators/scientific-calculator/\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's a picture of my calculations on this calculator.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you simply enter 10^-3.5048 and hit the enter key and you will get 0.000312752 as shown on the calculator display.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the place where you make your entry is the space right above the keys.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the display is on top of that.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you then enter log(0.000312752) and the calculator will tell you that the answer is 3.504799904.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the confirmation is not right on because there is rounding going on.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's a tutorial on the basic relationship between logs and exponents.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "http://www.purplemath.com/modules/logs3.htm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i'm assuming you can use a calculator to find the anti-log. \n" ); document.write( "if you have to use a log table instead, then let me know and i'll take you through that. after i refresh my memory on how.\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( " |