document.write( "Question 355160: if a penny is put into a savings account on day one and 2 pennies on day two and so forth until day 100, how much money would be there on day 100? what is the equation for this?
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Algebra.Com's Answer #253702 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"a%5B1%5D=1\"
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\n" ); document.write( "\"a%5B3%5D=4\"
\n" ); document.write( "\"a%5B4%5D=8\"
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\n" ); document.write( "\"a%5Bn%2B1%5D=2%2Aa%5Bn%5D\"
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\n" ); document.write( "\"a%5Bn%2B1%5D=2%5E%28n%29\"
\n" ); document.write( "\"a%5B100%5D=2%5E99=6.39x10%5E%2829%29\"
\n" ); document.write( "That's a lot of pennies.
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