document.write( "Question 1071612: The population is decreasing at a rate of 2% per year. If the population is 27,200 today, what will the population be in 10 years? Round your answer to the nearest whole number, if necessary.
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\n" ); document.write( "Would you please help me solve this? i missed this day in class and cannot solve it or even try to begin. thank you in advance! \n" ); document.write( "
Algebra.Com's Answer #686513 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "It's a geometric sequence with first term = a1=27200, and since\r\n" );
document.write( "a decrease of 2% each year means that each year it is only 98% of\r\n" );
document.write( "what it was the year before.\r\n" );
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document.write( "So:\r\n" );
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document.write( "the 2nd yesr it'll be worth (0.98)(27200) = $26656.00\r\n" );
document.write( "the 3rd yesr it'll be worth (0.98)2($27200) = $26656.00\r\n" );
document.write( "the 4th yesr it'll be worth (0.98)3($27200) = $26122.88\r\n" );
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document.write( "So\r\n" );
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document.write( "the nth yesr it'll be worth (0.98)n-1($27200)\r\n" );
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document.write( "a1 = the first term\r\n" );
document.write( "a2 = the second term\r\n" );
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document.write( "an = the nth term\r\n" );
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document.write( "\"a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29\"\r\n" );
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document.write( "You want the 10th term.\r\n" );
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document.write( "\"a%5B10%5D=27200%2A0.98%5E%2810-1%29\"\r\n" );
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document.write( "\"a%5B10%5D=27200%2A0.98%5E9\"\r\n" );
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document.write( "\"a%5B10%5D=22677.93913\"\r\n" );
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document.write( "Round to $22678\r\n" );
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document.write( "Edwin

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