document.write( "Question 1013030: Estimate the value of 6327 x 7
\n" ); document.write( "Also Estimate the value of 6742/8 by using compatible numbers.\r
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Algebra.Com's Answer #629194 by Boreal(15235)\"\" \"About 
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6327 X 7 is about 42,000 (6000 x 7)
\n" ); document.write( "7000*7=49,000. But 6327 is closer to 6000, so the estimate is closer to 42,000 than it is to 49,000.
\n" ); document.write( "6742*8
\n" ); document.write( "first estimate: 7000*8=56,000 (too high)
\n" ); document.write( "second estimate: recognize that it is 8*6 3/4 thousands (6750 is 6 3/4 thousands)
\n" ); document.write( "8*6=48; 8*(3/4)=6
\n" ); document.write( "48+6=54,000, very close to true value.
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\n" ); document.write( "alternative estimate.
\n" ); document.write( "it is between 8*6000 and 8*7000 or between 48,000 and 56,000.
\n" ); document.write( "742 is closer to the higher thousand than the lower, so the estimate is closer to 56,000 than it is to 48,000.
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