document.write( "Question 307918: evaluate log (base1/5) 0.2 = x \n" ); document.write( "
Algebra.Com's Answer #220296 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! Your equation can be expressed (1/5)^x = 0.2 using rules of logs.\r \n" ); document.write( "\n" ); document.write( "Take the natural log of both sides of the equation.\r \n" ); document.write( "\n" ); document.write( "Let ln = natural log\r \n" ); document.write( "\n" ); document.write( "ln(1/5)^x = ln(0.2)\r \n" ); document.write( "\n" ); document.write( "(x/5)ln = ln(0.2)\r \n" ); document.write( "\n" ); document.write( "x[ln(1/5)] = ln(0.2)\r \n" ); document.write( "\n" ); document.write( "x = ln(0.2)/ln(1/5)\r \n" ); document.write( "\n" ); document.write( "We now apply the calculator on the right side.\r \n" ); document.write( "\n" ); document.write( "x = 1 \n" ); document.write( " |