document.write( "Question 42261: Use common logarithms to approximate log(9) 207 to four decimal places. \n" ); document.write( "
Algebra.Com's Answer #27392 by fractalier(6550)\"\" \"About 
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We can use the change of base formula and get
\n" ); document.write( "x = log(9) 207
\n" ); document.write( "x = log 207 / log 9
\n" ); document.write( "x = 2.4270
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