document.write( "Question 1091414: given that log7=0.8451and log6=0.7782 find log 25.2 \n" ); document.write( "

Algebra.Com's Answer #705802 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "given:
\n" ); document.write( " $\"log%287%29=0.8451\"$ and
\n" ); document.write( " $\"log%286%29=0.7782\"$ \r
\n" ); document.write( "\n" ); document.write( " find:
\n" ); document.write( " $\"log+%2825.2+%29\"$ .......write $\"%2825.2+%29\"$ as $\"+%28252%2F10+%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"log+%28252%2F10+%29\"$ ......write $\"%28252+%29\"$ as $\"+%287%2A6%5E2+%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"log+%28%287%2A6%5E2%29%2F10+%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"log+%28%287%5E2%2A6%29%29-log%28%2810+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"log+%28%287%29%29%2Blog%28%286%5E2%29%29-log%28%2810+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"log+%28%287%29%29%2B2log%28%286%29%29-log%28%2810+%29%29\"$ ...substitute given values\r
\n" ); document.write( "\n" ); document.write( "= $\"0.8451%2B2%2A0.7782-1\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"1.4015\"$ \r
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