document.write( "Question 1148042: The population N(t) (in millions) of a country t years after 1980 may be approximated by the formula N(t) = 213e^(0.0101t).\r
\n" ); document.write( "\n" ); document.write( " When will the population be twice what it was in 1980? (Round your answer to one decimal place.)
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Algebra.Com's Answer #769421 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
\"2=e%5E%280.0101t%29\"\r
\n" ); document.write( "\n" ); document.write( "\"ln%282%29=ln%28e%5E%280.0101t%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"ln%282%29=0.0101t\"\r
\n" ); document.write( "\n" ); document.write( "\"t=ln%282%29%2F0.0101\"
\n" ); document.write( "Use a calculator and do the rounding.
\n" ); document.write( "Add to 1980.
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