document.write( "Question 49640: Find the sum for the following set of numbers:
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Algebra.Com's Answer #32961 by AnlytcPhil(1807)\"\" \"About 
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Find the sum for the following set of numbers:\r\n" );
document.write( "-3.5, -1.4, -0.5, 3, 5, 1, 2\r\n" );
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document.write( "Find the sum of first two\r\n" );
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document.write( "(-3.5) + (-1.4)\r\n" );
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document.write( "The rule is: They have like signs, so add their absolute values\r\n" );
document.write( "and attach their common sign.\r\n" );
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document.write( "They are both negative, which means they have the same sign,\r\n" );
document.write( "so we add 3.5 and 1.4, getting 4.9, and we attach their common\r\n" );
document.write( "sign, which is \"-\". So we have -4.9:\r\n" );
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document.write( "Sum of first two = -4.9\r\n" );
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document.write( "Now let's find the sum of that and the 3rd one:\r\n" );
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document.write( "(-4.9) + (-0.5)\r\n" );
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document.write( "The rule is: They have like signs, so add their absolute values\r\n" );
document.write( "and attach their common sign.\r\n" );
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document.write( "They are both negative, which means they have the same sign,\r\n" );
document.write( "so we add 4.9 and 0.5, getting 5.4, and we attach their common\r\n" );
document.write( "sign, which is \"-\". So we have -5.4:\r\n" );
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document.write( "Sum of first three = -5.4\r\n" );
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document.write( "-------\r\n" );
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document.write( "Now let's find the sum of that and the 4th one:\r\n" );
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document.write( "(-5.4) + (3)\r\n" );
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document.write( "The rule is: They have opposite signs, so subtract their \r\n" );
document.write( "absolute values (larger minus smaller) and attach the sign \r\n" );
document.write( "with the larger absolute value.\r\n" );
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document.write( "They have opposite signs, so we subtract 3 from 5.4, getting \r\n" );
document.write( "2.4, and we attach the sign of -5.4 because its absolute \r\n" );
document.write( "value is larger than 3's absolute value, which is \"-\". \r\n" );
document.write( "So we have -2.4:\r\n" );
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document.write( "Sum of first four = -2.4\r\n" );
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document.write( "Now let's find the sum of that and the 5th one:\r\n" );
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document.write( "(-2.4) + (5)\r\n" );
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document.write( "They have opposite signs, so we subtract 2.4 from 5, getting 2.6, and we attach\r\n" );
document.write( "the sign of 5 because its absolute value is larger than 3's absolute value.\r\n" );
document.write( "sign, which is \"+\". So we have +2.6, but we can drop the +:\r\n" );
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document.write( "Sum of first five =  2.6\r\n" );
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document.write( "Now let's find the sum of that and the 6th one:\r\n" );
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document.write( "(2.6) + (1)\r\n" );
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document.write( "The rule is: They have like signs, so add their absolute values\r\n" );
document.write( "and attach their common sign.\r\n" );
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document.write( "They are both positive, which means they have the same sign,\r\n" );
document.write( "so we add 2.6 and 1, getting 3.6, and we attach their common\r\n" );
document.write( "sign, which is \"+\". So we have +3.6, but we can drop the +:\r\n" );
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document.write( "Sum of first six = 3.6\r\n" );
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document.write( "Find the sum of that and the 7th or last one\r\n" );
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document.write( "(3.6) + (2)\r\n" );
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document.write( "The rule is: They have like signs, so add their absolute values\r\n" );
document.write( "and attach their common sign.\r\n" );
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document.write( "They are both positive, which means they have the same sign,\r\n" );
document.write( "so we add 3.6 and 2, getting 5.6, and we attach their common\r\n" );
document.write( "sign, which is \"+\". So we have +5.6, but we can drop the +:\r\n" );
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document.write( "Sum of them all  = 5.6\r\n" );
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document.write( "Edwin
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