document.write( "Question 654153: How do you use the Identity property of multiplication and Identity property of addition? \n" ); document.write( "
Algebra.Com's Answer #408641 by Edwin McCravy(20059)\"\" \"About 
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document.write( "The IDENTITY for an operation is the number that causes no change\r\n" );
document.write( "when you use it under that operation.\r\n" );
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document.write( "Example 1:\r\n" );
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document.write( "0 is the identity for ADDITION, because it is the only number that\r\n" );
document.write( "causes no change in a number when you ADD 0 to it.\r\n" );
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document.write( "When you add 0 to 3 you get 3, which means that you have not changed\r\n" );
document.write( "the 3 by ADDING 0 to it. \r\n" );
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document.write( "When you add 0 to 7 you get 7, which means that you have not changed\r\n" );
document.write( "the 7 by ADDING 0 to it.\r\n" );
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document.write( "When you add 0 to ANY NUMBER you get THAT SAME NUMBER, which means that \r\n" );
document.write( "you have not changed that number by adding 0 to it.\r\n" );
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document.write( "Example 2:\r\n" );
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document.write( "1 is the identity for MULTIPLICATION, because it is the only number that\r\n" );
document.write( "causes no change in a number when you MULTIPLY it by 1.\r\n" );
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document.write( "When you MULTIPLY 3 by 1 you get 3, which means that you have not changed\r\n" );
document.write( "the 3 by MULTIPLYING it by 1. \r\n" );
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document.write( "When you MULTIPLY 7 by 1 you get 7, which means that you have not changed\r\n" );
document.write( "the 7 by MULTIPLYING it by 1.\r\n" );
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document.write( "When you MULTIPLY ANY NUMBER by 1 you get THAT SAME NUMBER, which means that\r\n" );
document.write( "you have not changed the number by MULTIPLYING it by 1.\r\n" );
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document.write( "---------------------------------\r\n" );
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document.write( "So you use the identity property of ADDITION every time you ADD 0 to a number \r\n" );
document.write( "and get the same number back.\r\n" );
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document.write( "And you use the identity property of MULTIPLICATION every time you MULTIPLY a\r\n" );
document.write( "number by 1 and get the same number back. \r\n" );
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document.write( "Edwin
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