document.write( "Question 1207532: a photographer was set to reduce the dimensiopn of a drawing to 70% of their orginal size. If the reduction was repeated until the final dimension were about 6% of the original dimensions, then the number of reductions was? \n" ); document.write( "

Algebra.Com's Answer #845454 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "    0.06 = \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Take logarithm base 10 of both sides\r\n" );
document.write( "\r\n" );
document.write( "    log(0.06) = n*log(0.7)\r\n" );
document.write( "\r\n" );
document.write( "    n =  = 7.88788...\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Round to the closest greater integer and get the ANSWER : the number of reductions was 8.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );