document.write( "Question 1020158: 22/7 is a aparmey number. . .
\n" ); document.write( "but py is a parimey symbel why? \n" ); document.write( "
Algebra.Com's Answer #636091 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I'm not familiar with either of your terms\r\n" );
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document.write( "\"aparmey number\" or \"parimey symbel\".\r\n" );
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document.write( "22/7 is a rational number because it is the ratio of\r\n" );
document.write( "two integers, 22 and 7.\r\n" );
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document.write( "However p is an irrational number.\r\n" );
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document.write( "Compare them:\r\n" );
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document.write( "Look at 22/7\r\n" );
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document.write( "22/7 = 3.1428571428571428571428571428571428571428571428571428571428571428571428571428571428571428571428571428571428571428...\r\n" );
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document.write( "Notice that it repeats the block of digits \"142857\" over and over.\r\n" );
document.write( "Rational numbers if divided out either terminate or they repeat a\r\n" );
document.write( "block of digits forever.\r\n" );
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document.write( "Now look at p \r\n" );
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document.write( "p = \r\n" );
document.write( "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132...\r\n" );
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document.write( "It doesn't repeat any block of digits forever.\r\n" );
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document.write( "Both those long decimals round to 3.142. Ppeople who don't \r\n" );
document.write( "need to be more accurate that the thousandths place can use \r\n" );
document.write( "22/7.  But machinists have to be more accurate than that, so \r\n" );
document.write( "they can't use 22/7 for p.\r\n" );
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document.write( "Edwin
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