document.write( "Question 23360: What is the best solution for 2.3^x = 48 \n" ); document.write( "
Algebra.Com's Answer #12132 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! Do you know about logarithms? That is the best way! Take the ln of both sides:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use the property of logarithms that says \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now divide both sides of the equation by ln(2.3):\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "With a calculator, this is \r \n" ); document.write( "\n" ); document.write( "x= 4.647807191 (approximately) which rounds off to 4.65.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you would like to check this (and I would before I embarrass myself to the world by posting another wrong answer!!), you can use a calculator to calculate \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 at SCC\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |