document.write( "Question 1163359: Could you possibly verify that these 3 Physical Science problems are correct?\r
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document.write( "The answers to these problems must be rounded to the correct number of significant figures.\r
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document.write( "Problem 1.....90.0 kg * 0.518 kg = 59.482 Kg \r
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document.write( "Problem 2.....47.5 cm * 12.1 cm * 0.45 cm = 258.6375 cm3 rounded to 258.64 cm3\r
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document.write( "Problem 3.....481.6 km divided by 5.6 h = 86 km/h\r
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document.write( "If I have done any of these incorrectly due to significant figures, please indicate I made errors - below is how I calculated.\r
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document.write( "On Problem 1 the least numbers of significant figures is 3 (.518)\r
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document.write( "On Problem 2 the least numbers of significant figures is 2 (0.45)\r
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document.write( "On Problem 3 the least numbers of significant figures is 2 (5.6)\r
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document.write( "Thank you in advance for verifying the 3 problems above. \n" );
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Algebra.Com's Answer #787431 by ikleyn(52810)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Problem 1. Calculation is incorrect. It should be redone.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Problem 2. Correct.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Problem 3. Correct.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------- \n" ); document.write( "Comment from student: Thank you so much for quick response. On Problem 1 I made mistake - it should be 90 kg - 0.518 kg = 89.482 \n" ); document.write( "Could you verify that this subtraction problem above is correct? Thanks so much \n" ); document.write( "-------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My response : This simple arithmetic is done correctly.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |