document.write( "Question 248445: this is pre-algerbra I couldnt find it on here but it's front-end estimation\r
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document.write( "here we go
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document.write( "question # 1:\r
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document.write( "1) 345 + 682 \n" );
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Algebra.Com's Answer #181052 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 340+ 680=1020 \n" ); document.write( "Estimating by Front End Estimation\r \n" ); document.write( "\n" ); document.write( " Front end estimation mostly produces a closer estimate of sums or differences than the answer produced by adding or subtracting rounded numbers.\r \n" ); document.write( "\n" ); document.write( " How to estimate a sum by front end estimation:\r \n" ); document.write( "\n" ); document.write( " * Add the digits of the two highest place values \n" ); document.write( " * Insert zeros for the other place values\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " * Example 1: 4496 + 3745 is estimated to be 8100 by front end estimation (i.e. 4400 + 3700). \n" ); document.write( " * Example 2: 4496 + 745 is estimated to be 5100 by front end estimation (i.e. 4400 + 700). \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |