Question 770915
{{{ log( 3 ) = log( 15/5 ) }}}
{{{ log( 15/5 ) = log( 15 ) - log( 5 )  }}}
{{{ log( 3 ) = 2.708 - 1.609 }}}
{{{ log( 3 ) = 1.099 }}}
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{{{ log( 9 ) = log ( 3^2 ) }}}
{{{ log( 9 ) = 2*log( 3 ) }}}
{{{ log( 9 ) = 2*1.099 }}}
{{{ log( 9 ) = 2.198 }}}
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I don't know what the base is, but it
can't be {{{ 10 }}}, because {{{ 10^2.708 }}}
is close to {{{ 1000 }}}, not {{{ 15 }}}