document.write( "Question 940439: Use the definition of logarithm to simplify each expression.
\n" ); document.write( "(a)log10 10
\n" ); document.write( "1 \r
\n" ); document.write( "\n" ); document.write( "(b) log10 100
\n" ); document.write( "2 \r
\n" ); document.write( "\n" ); document.write( "(c) log10 10−4
\n" ); document.write( "3
\n" ); document.write( "

Algebra.Com's Answer #573141 by Alan3354(69443)\"\" \"About 
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Use the definition of logarithm to simplify each expression.
\n" ); document.write( "(a) log10 10
\n" ); document.write( "1 \r
\n" ); document.write( "\n" ); document.write( "(b) log10 100
\n" ); document.write( "2 \r
\n" ); document.write( "\n" ); document.write( "(c) log10 10−4
\n" ); document.write( "3 ***
\n" ); document.write( "If you mean \"10%5E-4\" it's
\n" ); document.write( "= -4
\n" ); document.write( "
\n" );