document.write( "Question 587763: Whales first appeared on Earth about 40 million years ago. On a log scale of time (in millions of years), what value would show for the age of whales?
\n" ); document.write( "1. 10^40
\n" ); document.write( "2. 1.6
\n" ); document.write( "3. 4.0 * 10^6
\n" ); document.write( "4. 40.0
\n" ); document.write( "5. 3.69 \n" ); document.write( "

Algebra.Com's Answer #374226 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+log%2840%29+=+n+\"$
\n" ); document.write( "I don't have a calculator handy, but
\n" ); document.write( " $\"+1.6+\"$ looks right
\n" ); document.write( " $\"+10%5E1+=+10+\"$
\n" ); document.write( " $\"+10%5E2+=+100+\"$
\n" ); document.write( "and $\"40\"$ would be $\"+10%5E1.6+\"$ \n" ); document.write( "

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