document.write( "Question 1187264: Given that log2=0.3010, log7=0.845 and log5=0.699
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document.write( "Evaluate log45 \n" );
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Algebra.Com's Answer #818209 by ikleyn(52803)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Given that log2=0.3010, log7=0.845 and log5=0.699 \n" ); document.write( "Evaluate log45 \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "45 = 9*5 = 3*3*5.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "THEREFORE, log(45) = log(3*3*5) = log(3) + log(3) + log(5) = 2*log(3) + log(5).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In this problem, given log(7) = 0.845 is IRRELEVANT.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Log(3) should be given in order for the solution be possible, but it is NOT GIVEN, and, therefore,\r \n" ); document.write( "\n" ); document.write( "the solution CAN NOT be obtained.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As posed, given problem is a F A K E.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |