document.write( "Question 1207680: The numbers $24^2 = 576$ and $56^2 = 3136$ are examples of perfect squares that have a units digits of $6.$\r
\n" ); document.write( "\n" ); document.write( "If the units digit of a perfect square is $5,$ then what are the possible values of the tens digit? \n" ); document.write( "
Algebra.Com's Answer #845691 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "It's also true that the square of any positive integer that ends with 5 either\r\n" );
document.write( "ends with 025, 225, or 625.  (It's true for the square of 5 if you consider\r\n" );
document.write( "25 as 025).  If you want a proof of this, just ask.\r\n" );
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document.write( "Edwin
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